The answer is; E
CDK is only active when they bind cyclin. In the CDK-cyclin complex, they are able to phosphorylate their substrates on serines and threonines. Particular CDKs are specific to their cell cycle phase. CDKs have maintained more or less constant levels in a cell and the cyclin levels are what fluctuate.
Cdk, or Cyclin-Dependent Kinase, is a protein that is maintained at constant levels throughout the cell cycle and requires cyclin to become catalytically active. It is a key regulator of the cell cycle.
Explanation:The protein that is maintained at constant levels throughout the cell cycle and requires cyclin to become catalytically active is Cdk (Cyclin-Dependent Kinase).
Cdks are a type of protein kinase and are key regulators of the cell cycle. They are present in the cell at constant concentrations and their activity is controlled by the synthesis and degradation of their regulatory subunits, the cyclins.
As cyclin levels increase, the Cdk-cyclin complexes are formed and become active, which helps push the cell through different stages of the cell cycle.
The protein that requires cyclin to become catalytically active and is maintained at constant levels throughout the cell cycle is protein kinase.
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Which process can be used to power your home. Solar thermal energy solar electric energy both neither
TRUE OR FALSE
1. Oxygen is absorbed into the bloodstream in the trachea?
2. The bronchial tubes branch off from the trachea like an upside-down letter Y.
1) False. Oxygen is absorbed in the alveoli of the lungs
2) True. The bronchial tubes branch off into the lungs which then branch off into the smaller bronchi and even smaller bronchioles.
Water is extracted from digested food in the body primarily by the
the large intestine primarily
during what phase do chromosomes move to the middle of the cell
In what way do lightning strikes play an important role in a nutrient cycle?
converting phosphorus into a form that can enter the atmosphere
converting phosphorus into phosphates that can dissolve in water
splitting atmospheric nitrogen allowing it to combine with oxygen
converting ammonia into atmospheric nitrogen that can be returned to the atmosphere
The right option is; splitting atmospheric nitrogen allowing it to combine with oxygen
Lightning is the flash of light caused by the discharge of atmospheric electrical charge. In nitrogen cycle, lightning play an important role by indirectly adding nitrogen to the soil. It transforms atmospheric nitrogen into a form that can be used by plants (a process known as nitrogen fixation). The strong bonds of atmospheric nitrogen molecule are broken (split) by the bolts of lightning that transmits electrical energy. After the molecules are separated, the nitrogen atoms quickly combine with oxygen in the atmosphere to form nitrogen dioxide which also dissolves in water (within the atmosphere) to form nitric acid. The nitric acid also form nitrates which is being released to the ground in rain drops. The nitrates then spread into the soil in a form that can be used by plants.
Suppose a mutation greatly increases the affinity of a rod's sodium channels for cgmp, such that once cgmp binds to a channel, it remains bound for much longer than normal. what would be the effect of this mutation on the rod's sodium channels?
The effect of this mutation is a gain in function that will stimulate the sodium channel and allow more sodium to pass inside the cell.
There are two types of consequence of mutations on proteins, loss of function, gain of function or neutral.
Mutation gain of function (which is rare) is that the protein is gaining activity, this is the example shown with the sodium channel. This has negative consequences (toxic effect) if the protein works more than it should. This will affect the function of the cell and may destroy it. the rod cells are cells found at the level of the photoreceptor of the eye, this mutation can have serious consequences on the sight.
A mutation that increases the affinity of the rod's sodium channels for cGMP would result in the sodium channels remaining open for longer periods, impairing the rod cells' ability to hyperpolarize and, thus, potentially affecting vision.
If a mutation greatly increases the affinity of the rod's sodium channels for cGMP, the channels would stay open longer once cGMP binds to them. Under normal circumstances, light exposure causes rhodopsin to activate the G-protein transducin, which in turn activates phosphodiesterase. This enzyme converts cGMP to GMP, leading to the closure of sodium channels and resulting in the hyperpolarization of the rod cell membrane.
However, with increased affinity for cGMP due to the mutation, sodium channels would remain open for extended periods, making it more difficult to hyperpolarize the membrane, and thereby slowing down or preventing the reduction in the release of glutamate to interneurons like bipolar cells. As a consequence of maintaining a more depolarized state, the rod cell might continuously release glutamate, potentially leading to a reduction in the discriminating ability of the retina to differentiate between light and dark, possibly affecting vision.
Which transformation of energy takes place when a slingshot launches a stone
Estuaries are characterized by _[blank]_.
the presence of fresh water and salt water
fast-moving water
coral reefs
chemosynthetic bacteria
Final answer:
Estuaries are characterized by the mixing of fresh water and salt water, resulting in brackish water with variable salinity that influences the lives and adaptations of many aquatic organisms.
Explanation:
Estuaries are characterized by the presence of fresh water and salt water. These biomes are unique areas where a freshwater source like a river meets the ocean, resulting in a mix of fresh and salt water that creates a diluted (brackish) saltwater environment. Estuaries are crucial for the lifecycle of many aquatic species, providing a protected area for the young offspring of crustaceans, mollusks, and fish. The salinity in these areas can vary greatly and plays a significant role in the adaptations of the organisms living there. These environments experience twice-daily changes due to tides, which can bring challenges for the flora and fauna, such as the need for halophytes, plants that tolerate salty conditions, and behavioral adaptations in animals like mussels and clams.
Sylvia's name means "forest." how does this aid in her characterization?
it aids her because it is part of her name and it is helping her by letting her know that she is one of a kind
What Mineral Property that is very easy to observe but is one of the most unreliable to use for identification?
A) Luster
B) Color
C) Hardness
D) Streak
E) Cleavage
The answer, I believe, is B, Color
The region known as the macula densa is part of
The region known as the macula densa is part of excretory system.
More precisely, macula densa is a structure located in the kidney, in the wall of the distal tubule. The macula densa is composed of tightly packed specialized cells on the place where the distal tubule touches the glomerulus.
The role of this structure is to detect changes in concentration of sodium chloride and to send a signal to the afferent arterioles (to change blood pressure) or to the juxtaglomerular cells (renin release).
The macula densa is a group of cells located in the Distal Convoluted Tubule of the kidney that play a pivotal role in maintaining the body's sodium balance.
Explanation:The region known as the macula densa is a group of cells that is a part of the kidney's structure. Specifically, it's located in the part of the Distal Convoluted Tubule (DCT) that forms the Juxtaglomerular Apparatus (JGA). These cells play a vital role in regulating the body's balance of sodium ions. When triggered by certain hormones due to changes in sodium concentration, blood volume, or blood pressure, macula densa cells can communicate rapidly with afferent and efferent arterioles. Depending on the signal, these arterioles can constrict or relax to alter the glomerular filtration rate which in turn affects the balance of sodium ions and overall kidney function.
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What is the function of the palisade mesophyll cells
Palisade cells are found in the mesophyll of a leaf and their main function is the absorption of light so that photosynthesis can take place. The palisade mesophyll consists of chloroplasts with chlorophyll that absorb the light energy. The mesophyll layer is made up of the palisade cell and spongy parts.
Final answer:
Palisade mesophyll cells are specialized for photosynthesis, packed with chloroplasts to maximize light capture, and work in tandem with the spongy mesophyll to facilitate gas exchange.
Explanation:
The function of palisade mesophyll cells in plant leaves is primarily to carry out photosynthesis. These cells, as their name suggests, form the palisade mesophyll layer located just below the upper epidermis of dicot leaves. The cells are elongated and densely packed with chloroplasts, which are essential for capturing light energy and converting it into chemical energy through the process of photosynthesis. The palisade mesophyll's structure, with its tightly packed columnar cells, maximizes light absorption. Additionally, below this layer is the spongy mesophyll, which has more loosely packed cells to facilitate gas exchange. Together, the palisade and spongy mesophyll layers make up the mesophyll and play a crucial role in the plant's ability to synthesize food and intake carbon dioxide while releasing oxygen.
Simon is a 35-year-old lawyer who works in a large law firm in New York City. He’s noticed that since he turned 30, his body seems to need more time on average to recuperate from illnesses. To top it off, since he started working at the firm about two years ago, he has seemed vulnerable to catching every infectious illness that his co-workers come down with – from a little cold to a full-blown flu. Simon always seems to be coughing, sniffling, and fighting fatigue. He’s also recently developed a skin condition on his face that looks greasy and flaky, and feels irritable most of the time. Although he considers his diet pretty healthy and his lifestyle relatively active, Simon is now thinking of taking vitamin supplements. Do you think Simon might need supplements? If so, which one(s)? 1. Simon learns that supplementing with water-soluble vitamins is potentially safer (compared to fat-soluble varieties) because they aren't stored in the body for as long, which reduces their ability to cause a toxicity. Which vitamin is water soluble? a. vitamin A b. vitamin K c. vitamin E d. vitamin D e. vitamin C
The answer is c because they are easily destroyed and washed away during food storage preparation
Answer: Vitamin C is Water Soluble Vitamin
Explanation: Water soluble vitamins include vitamin B complex group and Vitamin C.
Vitamin B complex group includes the following:
o Thiamine (B1)
o Riboflavin (B2)
o Niacin (B3)
o Pantothenic acid (B5)
o Pyridoxine (B6)
o Folic acid (B9)
o Biotin
o Cobalamin (B12)
Vitamin B complex members are grouped together because, often, they are found together in the same food with the exception of vitamin B12
Some common properties of water soluble vitamins are:
o They are readily absorbed from intestine and excreted in urine.
They are not stored like fat soluble vitamins and so do not cause toxicity. However vitamin B₁₂ is stored in body.
o Their dietary intake is needed on a regular basis.
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A change in the order of DNA bases code for a respritory protein will most likely cause?
A change in the sequence of amino acids determined by the gene
Answer:
B) A change in the sequence of amino acids determined by the gene.
Explanation:
How is hemoglobin's affinity for oxygen affected by the presence or absence of oxygen? rank hemoglobin molecules with the described conditions from most likely to bind oxygen molecules to most likely to release oxygen molecules. (for help approaching this problem, open hint 1.)?
In order from the most likely to bind an oxygen to least likely;
3 bound o2, po2=100mmhg1 bound o2, po2=100mmhg3 bound o2, po2=40mmhg1 bound o2, po2=40mmhg
Explanation;Haemoglobin is more likely to bind oxygen if its other oxygen binding sites have already bound to an oxygen molecule. The higher the partial pressure of oxygen in the blood also makes it more likely that the hemoglobin will bind oxygen.Hemoglobin is a protein-rich in iron that has an affinity (combining ability) to oxygen and with oxygen, it forms oxyhemoglobin in red blood cells. The amount of hemoglobin in normal blood is 15 grams per 100 ml of blood, and the hour is usually called "100 percent".
Further ExplanationHemoglobin is a substance found in red blood cells. Hemoglobin is actually a globular protein in the form of 4 subunits, and each subunit contains hame.
Hemoglobin plays an important role in oxygen transport as long as it can re-bind oxygen. Hemoglobin tends to bind oxygen when the environment is full of oxygen and releases oxygen in a relatively low oxygen environment. This means hemoglobin takes oxygen in the lungs and releases it to tissues such as active muscle. In people who have normal hemoglobin, the capacity of the blood carries about 20 mL of oxygen per 100 mL of oxygen. In almost all situations, blood contains a lot of oxygen as it moves through the lungs.
Hemoglobin is carried by circulating red blood cells (erythrocytes). This circulation rotates for about 10 days containing approximately 3 x 10 red blood cells. A rough estimate of blood hemoglobin levels can be obtained from the amount of hematocrit or from the amount of blood by consuming each red blood cell that has normal hemoglobin
The heat produced by the metabolism reaction of muscle contractions releases a lot of acid & heat causes the body temperature to rise and the active cells need a lot of O2 to spur the release of O2 from OxyHb (Hb affinity towards O2 decreases) the curve shifts to the right.
Hypothermia causes slow cell metabolism so that the O2 needed by the tissue to release a small amount of O2 from Hb is also slow (Hb affinity for O2 decreases) and the hemoglobin oxygen dissociation curve shifts to the left.
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Class: High School
Subject: Biology
Keywords: hemoglobin, affinity, oxygen
On a camping trip, eleni accidentally steps on a hot coal from the campfire. upon touching the coal, her foot reflexively withdraws from the coal. what is the sequence of response in eleni's neurons?
sensory neuron-inter-neuron
Final answer:
The withdrawal reflex that caused Eleni to retract her foot utilizes a reflex arc, starting with nociceptors detecting high temperature and culminating in the contraction of muscles leading to foot withdrawal, without the need for brain input.
Explanation:
The Sequence of Response in Neurons During the Withdrawal Reflex
When Eleni accidentally steps on a hot coal and her foot reflexively withdraws, this is an example of the withdrawal reflex. The sequence of response in the neurons involves the following steps:
High temperature is sensed by nociceptors in the skin of Eleni's foot, which are specialized sensory receptors for detecting painful stimuli.These receptors initiate a nerve impulse that is carried by sensory neurons to the spinal cord.Within the spinal cord, the impulse is transferred to interneurons, which process the information.The interneurons then synapse with motor neurons, which send the impulse out to the muscles in Eleni's foot.The muscles affected, such as the tibialis anterior, contract, causing dorsiflexion of the foot - this is the motor response that leads to the withdrawal of the foot from the hot coal.Inhibition of opposing muscles, like the gastrocnemius and soleus, prevents further plantar flexion and potential injury.A worker uses a jackhammer to break up a sidewalk. What kind of waves does the jackhammer produce
Answer:
Longitudinal waves
Explanation:
These are also similar to the P-waves of an earthquake. They are transmitted by the compression and rarefaction of the molecules of the medium as it propagates along. The wave radiates outwards from the point where the jackhammer hits the sidewalk.
Suppose a mutation occurs in the gene encoding eukaryotic rna polymerase i, ii, or iii that renders that polymerase non-functional. match each rna polymerase mutation with all of the cellular processes that it would disrupt.
RNA polymerase (green) creates RNA by adhering to a DNA strand.An enzyme called RNA polymerase is in charge of converting a DNA sequence into an RNA sequence during transcription.
What is the function of a polymerase?
Three distinct RNA polymerases (RNAPs), which transcribe various kinds of genes, are present in all eukaryotes.RRNA genes are transcribed by RNA polymerase I, mRNA, miRNA, snRNA, and snoRNA genes are transcribed by RNA polymerase II, while tRNA and 5S rRNA genes are transcribed by RNA polymerase III.The genes that encode the structural RNAs for the ribosome subunits are translated by RNA polymerase I.A fraction of short RNAs as well as the genes that encode proteins are both transcribed by RNA polymerase II. The crucial enzyme responsible for converting the genetic data stored in DNA to RNA is known as RNA polymerase (RNAP). Three distinct RNA polymerases (RNAPs), which transcribe various kinds of genes, are present in all eukaryotes.RRNA genes are transcribed by RNA polymerase I, mRNA, miRNA, snRNA, and snoRNA genes are transcribed by RNA polymerase II, while tRNA and 5S rRNA genes are transcribed by RNA polymerase III. Separate RNA polymerases are present in chloroplasts and mitochondria, where they specifically transcribe the DNAs of those organelles. These RNA polymerases are comparable to bacterial RNA polymerases. Two enzymes that function on DNA are DNA polymerase and RNA polymerase.The enzyme used in DNA replication is called DNA polymerase, whereas the enzyme utilized in transcription is called RNA polymerase.Phosphodiester linkages can be created by both enzymes between nucleotides.5' to 3' is the range in which polymerization occurs. Primases, specialized enzymes, are often responsible for producing the RNA primers needed for DNA replication.However, several replication systems have developed to synthesize primers using cellular DNA-dependent RNA polymerase. DNA polymerase I is a protein that aids in bridging DNA gaps created during DNA replication, repair, and recombination. DNA polymerase is an enzyme that breaks down DNA.The leading strand will no longer replicate if DNA polymerase I is not active. Pseudogenes are alleles of healthy genes that have developed mutations that have rendered them non-functional. For instance, the protein coding region may have an early stop codon, a frameshift mutation, an internal deletion, or an internal insertion as compared to the healthy sequence. DNA polymerases' major function is to efficiently and properly replicate the genome in order to maintain the genetic code and ensure that it is faithfully passed down through the generations.
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Defects in RNA polymerase I can be inferred if there's decreased nucleolar activity, unchanged mRNA and tRNA levels, and insensitivity to alpha-amanitin because this polymerase is responsible for rRNA synthesis which is essential for ribosome function and protein synthesis.
If a scientist observes that a cell has an RNA polymerase deficiency preventing it from making proteins, three additional observations that would support the conclusion that a defect in RNA polymerase I activity, rather than the other polymerases, are causing the defect could be:
Observation of a decrease in the nucleolar size or activity, because RNA polymerase I is primarily found in the nucleolus and is responsible for synthesizing most of the rRNAs.Detection of normal levels of mRNA and tRNA transcription, suggesting that RNA polymerase II and RNA polymerase III are functioning correctly, as these polymerases transcribe protein-coding genes and tRNA respectively.The cell's insensitivity to the toxin alpha-amanitin, as RNA polymerase I is insensitive to this toxin, while RNA polymerase II is highly sensitive, and RNA polymerase III has moderate sensitivity.Together, these observations would point towards a malfunction in RNA polymerase I as the cause of the protein synthesis deficiency.
Question 1 unsaved in the experiment, resistance will be measured using what instrument? question 1 options:
a.ph meter
b.voltmeter
c.multimeter
d.pipet
e.balance
the answer is multimeter
Bottled water is regulated by the ______, whereas tap water is regulated by the ______.
Bottled water is regulated by the FDA (Food and Drug Administration), whereas tap water is regulated by the EPA (Environmental Protection Agency).
Which describes the light-dependent stage of photosynthesis?
(Select all that apply.)
A. Photosynthetic pigments absorb energy from light.
B. Carbon dioxide is incorporated into a preexisting sugar molecule.
C. Water is split, which produces oxygen.
D. Hydrogen ions (H+) are moved against their concentration gradient.
Answer: Option A and Option C
Explanation:
The whole procedure of photosynthesis takes place in two stages of photosynthesis.
It includes light dependent reaction and light independent reactions or dark reaction.
The light dependent reaction includes absorption of light energy. The green pigment known as chlorophyll is required to absorb sunlight and convert it into chemical energy.
During this process the water is broken down into H+ ions and Oxygen is released into the environment.
So, the correct answer is option A and Option C
Which of the following is not true about viruses
The answer is:
A. They do NOT reproduce on their own without hosts.
Hope this helps!
The answer is A - They reproduce on their own w/out hosts
they can only replicate
Which of the following chordates is most likely to look least like other chordates?
a. adult tunicate b. lancelet c. embryonic human d. larval tunicate e. adult human
Adult tunicates is most likely to look least like other chordates.
What is Adult tunicates?Sea squirts are another name for tunicates. Simple creatures are adult tunicates. They resemble a barrel-shaped bag with two siphons or apertures through which water flows. They use one siphon to suck water into their bodies, filter out food like plankton, and then use the second siphon to discharge the leftover water.
Tunicates remain affixed to a stationary object, such as a rock, throughout adulthood. Tunicates resemble little tadpoles while they are in the larval stage. They are capable of swimming and possess the notochord, dorsal nerve cord, and pharyngeal slits of chordates.
Tunicates develop a sticky material as they get older, which helps them stick to rocks or other fixed surfaces. Its body absorbs all of the structures in the area once they are linked to a surface.
Therefore, Adult tunicates is most likely to look least like other chordates.
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Cellular respiration produces ______ from ________. organic molecules are a source of ______ energy that cellular respiration transfers into _____ and transforms into _____. carbon dioxide and water; oxygen and sunlight; kinetic; usable chemical energy in the form of glucose; heat energy that the cell can use to do work carbon dioxide and water; organic molecules and oxygen; chemical potential; usable chemical energy in the form of atp; heat energy that cannot do work glucose and oxygen; carbon dioxide and water; chemical potential; usable chemical energy in the form of atp; heat energy that cannot do work
Cellular respiration produces ATP from organic molecules (such as sugars) and oxygen. The process transforms the energy in these molecules into a usable form that cells can use to perform work, with carbon dioxide and water being byproducts of this process.
Explanation:Cellular respiration produces ATP from organic molecules and oxygen. Organic molecules such as sugars are sources of chemical potential energy which cellular respiration transfers into usable chemical energy, in the form of ATP, and transforms into heat energy. Cellular respiration is primarily achieved through glycolysis, the Krebs cycle, and oxidative phosphorylation. This process oxidizes glucose molecules to create ATP. It is part of a biological cycle, functioning in harmony with photosynthesis, to allow organisms to access life-sustaining energy.
Energy in ATP molecules is easily accessible and cells use it to perform various forms of work including building complex molecules, transporting materials, and powering different motions. Carbon dioxide and water are byproducts of this process rather than waste products, as they are often used in other biological reactions.
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The binding of the neurotransmitter to receptors on the motor end plate causes which of the following to occur?
Binding causes voltageÂgated sodium channels to open in the motor end plate (junctional folds of the sarcolemma) and sodium enters the cell.
Binding causes chemically gated potassium channels to open in the motor end plate (junctional folds of the sarcolemma) and potassium enters the cell.
Binding of the neurotransmitter causes chemically gated sodium channels to open in the motor end plate (junctional folds of the sarcolemma) and sodium enters the cell.
Binding causes potassium voltageÂgated channels to open in the motor end plate (junctional folds of the sarcolemma) and potassium enters the cell.
The correct answer is: Binding of the neurotransmitter causes chemically gated sodium channels to open in the motor end plate (junctional folds of the sarcolemma) and sodium enters the cell.
Action potential travels through the membrane of the presynaptic cell causing the voltage-gated channels permeable to calcium ions to open. Ca2+ flow through the presynaptic membrane and increase the Ca concentration in the cell which will activate proteins attached to vesicles that contain a neurotransmitter (e.g. acetylcholine). Vesicles fuse with the membrane of the presynaptic cell, thereby release their contents into the synaptic cleft-space between the membranes of the pre- and postsynaptic cells. Neurotransmitter ACh binds to its receptors on the postsynaptic membrane and its binding causes depolarization of the target cell (muscle cell). Depolarization occurs because sodium enters the cell as a result of neurotransmitter receptor binding.
Which statement is correct concerning the relationship between chromosomes and genes, chromatin, or sister chromatids?
Genes are the DNA - protein material that make up entire chromosomes.
Each unreplicated chromosome consists of two sister chromatids.
Each replicated chromosome consists of two sister chromatids.
Chromatin is a length of DNA in a chromosome that codes for a protein or RNA.
The correct answer is: Each replicated chromosome consists of two sister chromatids.
Mitosis is the cell division of somatic cells (all cells except gametes) in which mother cell produce two identical daughter cells with the same number of chromosomes as she had.
During the S phase of interphase, replication occurs and the genetic material of a cell is duplicated. There are still the same number of chromosomes (e.g. in humans 46) but they exist in a X shape structure-two sister chromatids (genetically identical). So, there are 46 chromosomes, but 92 chromatids. Sister chromatids separate during the anaphase of mitosis and each chromatid is then considered a separate, individual chromosome. After division and cytokinesis, the normal chromosome number is restored to the cell.
What does the right hemisphere of the brain control?
Answer:
The right hemisphere controls the left side of the body and our creativity.
Explanation:
The right hemisphere coordinates the left side of the body, and performs tasks that have do with creativity and the arts.
The left side of the brain is responsible for controlling the right side of the body and controls the way we think logically.
The right hemisphere of the brain primarily controls the left side of the body and is often associated with spatial and nonverbal reasoning. It's important to note, however, that the brain functions as a whole unit and most functions are distributed globally around the cerebrum.
Explanation:The right hemisphere of the brain primarily controls the left side of the body. It plays a significant role in spatial and nonverbal reasoning, arousal, negative emotions, and pitch perception. Language processing, a task typically associated with the left hemisphere, can cross over to the right hemisphere via the corpus callosum, which bridges the two hemispheres together.
While the left hemisphere tends to be dominant in language functions in about 95% of the population, it must be noted that the brain functions as a whole and most of its functions are globally distributed. Misconceptions of people being 'right-brained' or 'left-brained' oversimplify the complex nature of the cerebral hemispheres.
In certain cases of intractable epilepsy, the corpus callosum is surgically severed as a treatment option, resulting in 'split-brain' patients. These patients highlight the roles of the individual hemispheres as we observe their behaviors and abilities post-surgery.
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What are the advantages and disadvantages of using RNA or protein as genetic material?
Disadvantage
RNA and proteins are less stable than DNA. In addition RNA and proteins have shorter life spans that DNA
Advantage
This same property can be an advantage because a mutation on DNA can be permanent but one on RNA or proteins will cease after the short life spans of these biomolecules.
Populations of _________ live in the human large intestine. These benficial organisms help make certain vitamins and digest polysaccharides.
Food live in the human large intestine
Populations of bacteria live in the human large intestine. These beneficial organisms help make certain vitamins and digest polyacrylamide.
So the answer is bacteria .
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During a laboratory investigation, biology students were asked to classify organisms on prepared slides as either eukaryotes or prokaryotes. Which of the following features should the students be able to observe in BOTH types of cells?
Question 1 options:
ribosomes
mitochondria
nucleus
Golgi apparatus
Answer:
Ribosome
Explanation:
A prokaryotic cell is a primitive cell and it lacks membrane bound organelles. One major cell structure that distinguish both cell types is the nucleus.
Eukaryotic cells have nucleus whereas prokaryotes lacks them.
Ribosome, the site of synthesis of protein can be found in both cell types.