Answer: a
Explanation:
Meningitis and food poisoning are two examples of illness caused by pathogenic bacteria called Neisseria meningitidis. Food poisoning can also caused by bacteria. Hence Option A is correct.
What is Meningitis ?An inflammatory condition arises at the outer membrane or meninges of brain and spinal cord, give rise to an illness called as meningitis.
The source of meningitis can be either bacterial or viral, some are even fungal form.
The major symptoms of bacterial meningitis include paralysis, stroke, seizures, even death.
The different bacteria cause meningitis are streptococcus pneumoniae, Neisseria meningitidis, Haemophilus influenzae etc.
The other symptoms include high fever, neck become stiff, headache, nausea, vomiting, confusion, rashes.
The major way bacteria can transfer from infected to healthy person are coughing, sneezing etc.
Hence Option A is correct.
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9. Wind power creates _____ pollution.
water
air
soil
noise
Answer:
Noise Pollution is your answer.
Explanation:
Wind turbines are a better alternative to using non-renewable resources.They produce little pollution (Noise pollution and Visual pollution), But they are a threat to wild life and not to mention, really expensive.
when can exponential growth happen?
A: when there are limited resources
B: When carrying capacity is reached
C: When there is no competition
D: When the death rate is high
The correct answer is option (C) When there is no competition
What do you mean by exponential growth?
Exponential growth is a data pattern that shows larger increases over time. In finance, compounding creates exponential returns. Compound interest savings accounts can show exponential growth.Learn more about exponential growth below
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If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because
The nucleus contains the cells DNA(genetic material) which is basically the recipe for making proteins. mRNA is first transcribed off of DNA and then in translated(by ribosomes) to polypeptides(proteins).
If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because no matter proteins are manufactured by the ribosome which is present in cytoplasm, the mrna needed for proteins synthesis is manufactured inside the nucleus.
How are proteins made inside the nucleus?Translation is the mechanism used to create new proteins. During transcription, DNA is converted into a messenger RNA (mRNA) molecule. The mRNA formed inside the nucleus then needs to be translated into a protein. To generate proteins, ribosomes, transfer RNA (tRNA), and mRNA collaborate during translation.The three phases of translation are essentially the same, but they go by more elegant names: initiation, elongation, and termination. The ribosome joins the mRNA and the first tRNA at the initiation ("starting") stage, allowing translation to start.learn more about nucleus here:
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Which statement best describes a hypothesis?
A.the facts collected from an experiment are written in the form of a hypothesis
B. A hypothesis is the correct answer to a scientific question
C. A hypothesis is a possible, testable explanation for a scientific question
D. A hypothesis is the process of making careful observations
Answer:
C.. A hypothesis is a possible, testable explanation for a scientific question
A hypothesis is a proposition to explain some aspect of the natural world. It is a plausible explanation that must be tested (either confirmed or rejected) by using the scientific method.
A hypothesis is a possible, testable explanation for a scientific question (Option C).The scientific method is a procedure of acquiring knowledge by testing hypotheses through experimental or observational procedures.A hypothesis must be testable, i.e., it can be confirmed or rejected by empirical evidence.A hypothesis must also be falsifiable, i.e., it is possible to design experiments and/or observations that disprove the hypothesis in question.Learn more in:
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Which of these is true for bacteria because they are prokaryotic cells?
A. They can engulf body cells in order to make memory cells.
B. They must invade viruses in order to reproduce.
C. They are much larger than eukaryotic body cells.
D. They can reproduce on their own outside of other cells.
Answer:
B
Explanation:
Answer:
D.They can reproduce on their own outside of other cells
Explanation:
just took the test
If Tyler does not eat a diet that includes essential amino acids, his cells will not be able to build
A.nucleic acids.
B.certain proteins.
C.cell membranes.
D.certain carbohydrates.
Answer:
B. Certain Proteins
Explanation:
Hope my answer has helped you!
Glucose is a form of sugar found in the blood Cells use glucose as a source of energy, but too much or too little can cause serious health issues So, the body uses the hormone insulin to regulate glucose n the blood Insulin helps maintain glucose levels in the blood If blood glucose lovels got very high, what would you expect to see happen to insulin levels?
Answer:
If blood glucose is high insulin is low
Explanation:
when is your breathing likely to slow down?
a- when your heart cella’s need more carbon dioxide
b- when your heart rate slows down
c- when your blood cells have too much oxygen
d- when your heart rate speeds up
Answer:
b- when your heart rate slows down
Explanation:
Breathing is likely to slow down when the heart rate slows down because this corresponds with a reduced demand for oxygen, and there's less need to expel carbon dioxide, helping maintain the appropriate blood pH. Hence, the correct option is b.
Your breathing is likely to slow down when your heart rate slows down. This happens because of the connection between the heart rate and the body's demand for oxygen. When the body is at rest, and the heart rate is lower, there is a decreased need for oxygen, and the body's cells may also be producing less carbon dioxide. As a result, the brain's respiratory centers will adjust breathing rates to maintain appropriate levels of these gases in the blood, slowing down the breathing rate to prevent excessive elimination of carbon dioxide, which could upset the blood's pH balance.
The respiratory system is closely monitored by cells in the brain that detect the level of carbon dioxide in the blood, primarily influencing the breathing rate. Faster breathing will lower blood carbon dioxide levels (and incidentally raise blood oxygen levels and pH), while slower breathing will have the opposite effect. Therefore, to maintain proper blood pH, the rate of breathing must be regulated. This regulatory mechanism is especially important because unbalanced blood pH can lead to respiratory or metabolic acidosis or alkalosis, conditions that are detrimental to cellular function and overall physiology.
What is the difference between an igneous, sedimentary and metamorphic rock
The main difference between igneous, sedimentary, and metamorphic rocks lies in how they are formed. Igneous rocks form from molten magma or lava, sedimentary rocks form from accumulated sediment, and metamorphic rocks form from existing rocks that are subjected to heat and pressure.
Explanation:Igneous rocks are formed when molten magma or lava cools and solidifies. They can be found both above and below the Earth's surface. Examples include granite and basalt.
Sedimentary rocks are formed by the accumulation of sediment that has been weathered and eroded from pre-existing rocks. They are often layered and can contain fossils. Examples include sandstone, shale, and limestone.
Metamorphic rocks are formed when existing rocks undergo heat and pressure deep within the Earth's crust. This causes their minerals and textures to change. Examples include marble and slate.
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TRUE OR FALSE 5. carrier proteins have the ability to to change shape and physicially move molecules across the cell membrane.
6. in a facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the the cell.
Answer:
5. false
6.True
Explanation:
The correct answer is :
5) false 6) true
Why the statement (5) is false?
Carrier proteins can change shape to move a target molecule from one side of the membrane to the other.What do you mean by carrier proteins?
Carrier proteins are proteins that transport substances from one side of a biological membrane to the other. Many carrier proteins are found in the membrane of a cell, although they can also be found in the membranes of internal organelles such as the mitochondria, chloroplasts, nucleolus, and others.For example, GLUT1 is a named carrier protein found in almost all animal cell membranes and transports glucose across the bilayer.Learn more about carrier proteins below
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Urgent!!!!!!! PLEASE HELP!!!! WILL MARK BRAINLIEST!!!!!
Explain how one of the processes discussed in this module (photosynthesis, cellular respiration or the carbon cycle) apply to both the Law of Conservation of Matter and Law of Conservation of Energy.
One of the processes that can be discussed in relation to both the and the is cellular respiration. Cellular respiration is the process by which living organisms convert organic molecules, such as glucose, into energy in the form of adenosine triphosphate (ATP). This process occurs in the mitochondria of cells and is essential for the survival and functioning of organisms.
The Law of Conservation of Matter states that matter cannot be created or destroyed; it can only be transformed or converted from one form to another. In cellular respiration, this law is upheld as organic molecules, such as glucose, are broken down into simpler molecules, such as carbon dioxide and water. The atoms present in the glucose molecule are rearranged, but no atoms are created or destroyed in the process. The carbon atoms from glucose combine with oxygen to form carbon dioxide, while the hydrogen atoms combine with oxygen to form water. Thus, the total number of carbon, hydrogen, and oxygen atoms remains the same throughout the process.
The Law of Conservation of Energy states that energy cannot be created or destroyed; it can only be transferred or converted from one form to another. In cellular respiration, this law is also followed. The energy stored in the chemical bonds of glucose is released during the breakdown process and captured in the form of ATP. This energy is then available for the cell to perform various functions and processes. Although the chemical energy in glucose is converted into a different form (ATP), the total amount of energy within the system remains constant. No energy is lost or gained during cellular respiration.
Therefore, cellular respiration adheres to both the Law of Conservation of Matter and the Law of Conservation of Energy. It showcases the transformation of matter from complex organic molecules to simpler inorganic molecules, while also demonstrating the conversion of chemical energy into a usable form of energy without any loss or gain.
Final answer:
In photosynthesis, the Law of Conservation of Matter and Energy are illustrated by the conversion of water and carbon dioxide into glucose and oxygen without the loss or gain of matter and the transformation of sunlight into chemical energy, respectively.
Explanation:
Law of Conservation of Matter and Energy in Photosynthesis
The Law of Conservation of Matter tells us that matter is neither created nor destroyed in a chemical reaction. In photosynthesis, carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen (O2). This transformation is a perfect example of matter conservation because the total mass of reactants equals the total mass of products.
Similarly, the Law of Conservation of Energy is illustrated in photosynthesis by the transformation of solar energy into chemical energy stored in the bonds of glucose. This process underscores that energy can neither be created nor destroyed but only change forms.
These principles are fundamental to understanding the cycling of matter and the flow of energy in ecosystems. While water and carbon dioxide are not 'food' in the traditional sense, they serve as raw materials for photosynthesis, which is crucial in the biological conversion of inorganic molecules into energy-rich organic compounds that organisms consume for nourishment. Both photosynthesis and cellular respiration demonstrate the cyclical nature of matter and the directional flow of energy, from sunlight to chemical energy to heat, in living systems.
Which best explains how green plants absorb energy from the Sun?
A farmer chooses to breed the cows that produce the most milk rather than the cows that produce less milk. This is an example of
A. uniformitarianism and biogeography.
B. artificial selection.
C. natural selection.
D. homologous and analogous structures
The answer is B. artificial selection. Artificial selection is . a process in the breeding of animals and in the cultivation of plants by which the breeder chooses to perpetuate only forms that have certain desirable inheritable characteristics (such as, in this case, cows that produce the most milk).
Which statement describes Mendel’s hypotheses regarding gametes?
A gamete carries two genes for a trait.
A gamete carries one allele for a gene.
A gamete can carry multiple alleles for a trait.
Some gametes are dominant and some are recessive.
Answer:
B - A gamete carries one allele for a gene'.
Explanation:
edge2020
Option B. A gamete carries one allele for a gene.
What is Mendel’s hypotheses regarding gametes?
Mendel stated that heritable factors are segregated during gamete formation.
In other words, this law states that a pair of alleles is separated, or segregated, during the formation of gametes.
Thus, the statement that describes Mendel’s hypotheses regarding gametes is a gamete carries one allele for a gene.
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How does the brain primarily interpret the strength of a stimulus in the nervous system?
A. Based on the size of the action potential
B. Based on the frequency of the action potential
C. Based on how much potassium is in the nerve cell
D. Based on which chemicals are released at nerve junctions
Answer:B. Based on the frequency of the action potential.
Explanation:
The brain primarily interpret the strength of a stimulus in the nervous system based on the frequency of the action potential.
Answer: Option B
Explanation:
The sign that is transmitted down the axon is called action potential. It passes quickly through the axon. At the axon terminal the entry of the action potential by and large causes the arrival of a transmitter that influences the layer of the objective neuron.
The activity possibilities imprint times at which the cell layer at the neuronal cell body arrives at the terminating limit. In this manner, there is an arrangement of action potential containing data about the layer potential at the neuronal cell body.
It is the data conveyed by the train of activity possibilities that gives data at the projection focuses for the neurons. Thus it is inferred that brain uses the frequency of the action potential to interpret the primary stimulus.
Which statement is true for both photosynthesis and cellular respiration?
Answer:
It occurs in producers
Explanation:
Photosynthesis occurs in producers which makes food, energy and oxygen out of carbon dioxide, light and water. Respiration occurs can occur both in consumers and producers which is the reverse of photosynthesis which is the production of carbon dioxide from the reaction of sugar and oxygen. Hope this helps!
Answer:
They require organelles
Explanation:
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When the herbicide glycoladehyde is applied to a plant, it’s cell are unable the Calvin cycle
Final answer:
Glycoladehyde inhibits the Calvin cycle in plants, leading to decreased glucose production and altered water balance, necessitating monitoring of changes in the plant, including growth, dormancy, and water conservation strategies like photorespiration.
Explanation:
Effects of Glycoladehyde on the Calvin Cycle
When the herbicide glycoladehyde is applied to a plant, the cells are unable to complete the Calvin cycle, an essential part of the photosynthesis process. The Calvin cycle uses energy from ATP and NADPH produced in the light-dependent reactions to fix atmospheric carbon dioxide into organic molecules like glucose. A key enzyme in the Calvin cycle is RuBisCO, which catalyzes the fixation of CO₂. However, when glycoladehyde is applied, it inhibits this cycle, resulting in reduced glucose production and a disruption in the plant's water balance. This can lead to the plant resorting to photorespiration, which is less efficient and produces cytotoxic by-products like phosphoglycolate. Additionally, the accumulation of abscisic acid (ABA) in response to stress can inhibit growth and promote dormancy in plants. In extreme cases, the plant may stop photosynthesizing for extended periods until favorable conditions return or switch to anaerobic metabolism.
Likewise, if the function of the cork cambium is impaired by an herbicide, it is important to monitor changes in the woody plant structure, as the cork cambium is responsible for producing cork cells that form part of the bark, playing an important role in protecting the plant.
Which best describes the sex chromosomes in humans?
A. Females have two Y chromosomes.
B. Females have two X chromosomes.
C. Males have two Y chromosomes.
D. Males have two X chromosomes.
The answer is B. Females have two X chromosomes
Just so you know...
Males have one X and one Y
Hope this helped!
~Just a girl in love with Shawn Mendes
Two brothers inherit sets of alleles from their parents what effect will this have
Answer: Their genes are Recessive
why could a loss of chlorophy 2 limit cellular respiration in plants
Unlike heterotrophs that take-in organic molecule (through ingestion) for cellular respiration, plants are autotrophs and therefore make their own organic molecule from abiotic factors. They do this through photosynthesis. Loss of chlorophyll pigment, that is significant in photosynthesis, would cause the plant to be unable to create glucose molecules. The plant would subsequently be limited in carrying out cellular respiration that occurs in the mitochondria.
A hope spot is a
A protected marine environment
B type of publicity for a TED prize
C term invented by Jacques Cousteau
D place where drilling for oil is likely to pay off
A hope spot is a protected marine environment that is protected to maintain the ocean living.
What is the hop spot?
A hope spot is a place of an ocean that desires unique safety due to its natural world and full-size underwater habitats.
The institution of islands, taking into consideration extraordinarily wealthy in marine biodiversity, are the primary locations in India to were delivered withinside the listing of fifty global 'hope spots.
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Question 17 (5 points)
The elements in Groups 3 through 12 of the periodic table are the
actinides
alkaline earth metals
transition elements
halogens
Answer:
transition metals/elements
Explanation:
Following photosynthesis, _____ is moved to the roots for storage through the phloem.
Answer:
Sugar
Explanation:
The correct answer is sugar. Following photosynthesis, sugar is stored in the roots through the phloem which is composed of living cells that are in charge of transporting a water solution of sugars.
I hope it helped!
Answer:
The correct answer is sugar.
Explanation:
Plants are the only organisms that can make their own food. This is called photosynthesis. With this process, plants capture the energy of sunlight and transform it into chemical energy, to produce organic matter through inorganic matter.
Photosynthesis is carried out in the green leaves and stems of the plant, in special structures of plant cells: Chloroplasts. These organelles contain chlorophyll, which is used efficiently to start photosynthesis. For photosynthesis to be carried out, the availability of light and the presence of chlorophyll are necessary. The process occurs while the plant receives light. The are two types of phases in this process: The light and dark phase.
The light phase receives this name because all the reactions that occur during it depend on the presence of the light. This is captured by chlorophyll allowing photolysis to be performed, a reaction in which water unfolds into hydrogen and oxygen. As a result of this reaction, oxygen is released into the environment and hydeogen is used in other reactions that occur within the same process.
The dark phase receives this name because the reactions that occur in it do not depend on the light, but this does not mean that it occurs at night. This phase requieres compounds formed during the light phase, in addition to the carbon dioxide that is taken from the environment. The latter is combined with the hydrogen released in photolysis and other compounds to form glucose, a simple carbohydrate.
Cells produced at the end of telophase II have ____ as many _____ chromosomes as cells that started the process.
Answer:
The first blank is half
The second blank is single-stranded
Explanation:
Cells produced at the end of telophase II have half as many single-stranded chromosomes as cells that started the process../
which beat describes a tetrade
Answer:
Four chromatids are best defined as a tetrad.
Explanation:
Four chromatids are best defined as a tetrad. This consists of two homologous chromosomes during the first phase of meiosis called prophase, each composed of double chromatids.
A community of four haploid cells, including spores, made up of single mother's cell's meiotic division. A normal cell reproduces its forty six chromosomes before meiosis can commence. The initial version and the newer copy, like joint twins, stay attached together and are named sister chromatids.
Internal feedback works to maintain homeostasis when your
A. heart rate decreases as your white blood cells increase
B. breathing rate decreases as your red blood cells decrease
C. heart rate increases as your liver is cleaning blood
D. breathing rate increases as your heart rate increases
b blood cells. right I hope
D is the right answer btw
The cell membrane controls what enters and leaves the cell. Which of the
structures in the diagram below is the cell membrane?
— F
оооо
Answer:
c
Explanation:
The cell membrane controls what enters and leaves the cell. The structure C is the correct presentation of the cell membrane.
What is a cell membrane?The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's inside from the outside world. The cell membrane is made up of a semipermeable lipid bilayer.
The cell membrane controls the flow of materials into and out of the cell.The cell membrane serves two purposes: first, like a barrier that keeps cell constituents in and undesired things out, and second, as a gate that allows needed nutrients to enter the cell and waste products to exit.
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Known as zygote fungi, produce spores in zygosporangia, and an example is black mold:
Answer:
Zygomycota
Explanation:
Zygomycota is also known as zygote fungi. This fungi produces spores in zygosporangia and a well known example is the black mold.
identify the parts of the female and male reproductive system and their functions.
Female:
*Ovaries - release of oocytes (eggs), estrogen and progesterone.
*Oviducts (fallopian tubes) - where fertilization of the oocyte occurs to form a zygote.
*Uterus - where the zygote develops
*Cervix and vagina - allow for the entry of sperm for fertilization
Male:
*Testes - Releases testosterone and sperm
*Vas deferens - Passageway for sperm
*Epididymis - allows the sperm to pass from the testes and vas deferens and equips them with semen so they can survive internal fertilization
*Penis - releases sperm into the external environment for fertilization to occur
I hope I helped!
Answer:
??????
Explanation:
A gene editing technology called CRISPR-Cas9 uses cellular machinery to change the cell's genetic material. How might this technology be useful in treating diseases like cancer?
Cancer is caused by a defective gene due to mutations. CRISPR-Cas9 tools can be used to edit out these parts of the gene. The tool can snip out and replace a section of DNA with a given DNA. The tool is a harnessed mechanism from bacteria that is a mechanism to identify foreign genetic material such as that of bacteriophages and destroy them.
CRISPR-Cas9 is a powerful gene editing technology that has the potential to revolutionize the field of medicine, including the treatment of diseases like cancer. Its ability to precisely modify specific genes offers new possibilities for targeted therapies and personalized medicine.
Cancer often arises due to specific mutations in genes that regulate cell growth and division. CRISPR-Cas9 can be used to target and edit these cancer-causing mutations, effectively correcting or disabling them. By doing so, it may be possible to inhibit the uncontrolled growth of cancer cells and potentially revert them to normal cells.
CRISPR-Cas9 can be used to modify immune cells, such as T cells, to make them more effective in recognizing and attacking cancer cells. This approach, known as CAR-T cell therapy, has shown promising results in some clinical trials, particularly in the treatment of certain blood cancers.
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