Answer:
It is: D. it produces male and female sex cells.
Explanation:
Answer:
D. it produces male and female sex cells
Explanation:
Hope this helps!
Your home is located in a deep river valley less than a mile from where the river flows into the Gulf of Mexico. A hurricane is growing in the Gulf of Mexico, and warnings have been issued that the storm will touch ground within two days.
Which safety measures should you take?
Go to a shelter farther inland on higher ground.
Stay indoors and close your windows.
Board up your windows and go to your basement.
Open windows and doors to equalize pressure.
Answer: Go to a shelter farther inland on higher ground.
Explanation:
A hurricane is a tropical cyclone in which the air rotates in low pressure. It is an organized thunderstorm which has no fronts (a boundary that separates the two air masses which are of typically of different densities). The speed of the wind in this cyclone is 74 mph.
Go to a shelter farther inland on higher ground. is the correct approach. This is because of the fact that hurricane can cause the flow of water from the river at high tide. Thus it will be suitable that a person attains a shelter to higher grounds to keep itself save.
Answer:
A: go to a shelter farther inland on higher ground.
Explanation:
I did it it’s correct
uyssey QUIZ
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What is the molarity of a solution containing 8 grams of solute in 500 mL of
solution? Round to the nearest tenth. Don't forget the unit (gram formula
mass of solute = 24 g).
The molarity of the solution containing 8 g of solute in 500 mL of solution is 0.7 M
What is molarity?
This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:
Molarity = mole / Volume
How to determine the mole of solute Mass of solute = 8 g Molar mass of solute = 24 g/mol Mole of solute =?Mole = mass / molar mass
Mole of solute = 8 / 24
Mole of solute = 0.333 mole
How to determine the molarity Mole of solute = 0.333 mole Volume = 500 mL = 500 / 1000 = 0.5 L Molarity =?Molarity = mole / Volume
Molarity = 0.333 / 0.5
Molarity = 0.7 M
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What is phenotype frequency?
Answer:
Phenotype frequency is the representation of number of individual in a cross/population belonging to/or carrying a specific trait or characteristics.
Explanation:
Phenotype frequency is the representation of number of individual in a cross/population belonging to/or carrying a specific trait or characteristics.
For example -
Green color of pea plant is dominant over yellow color. Color is a phenotype.
When a green pod pea plant (GG) is crossed with a yellow pod pea plant (gg) , then the following offspring will be produced -
GG x gg
Gg, Gg, Gg, Gg
We can see that all the offspring in the first generation cross between GG and gg are green in color. Thus, frequency of green color pods (Phenotypic frequency) in I generation is 100%.
SOMEONE HELP ME PLEASEEEE!!!!!!!
Chromosphere C. Layer of the sun that is known for its red color and can only be seen during eclipses
Convective zone B. Layer of the sun where energy is transferred by convection
Core D. The central and hottest section of the sun
Radiative zon A. Layer of the sun where energy is transferred by thermal conduction
The correct match is :Chromosphere C. Layer of the sun that is known for its red color and can only be seen during eclipses ,Convective zone B. Layer of the sun where energy is transferred by convection, Core D. The central and hottest section of the sun, Radiative zone A. Layer of the sun where energy is transferred by thermal conduction .
Chromosphere: The chromosphere is a layer of the sun that is known for its red color and can only be seen during solar eclipses. It is located above the photosphere, which is the visible surface of the sun. Convective zone: The convective zone is the layer of the sun where energy is transferred by convection. Convection is the process of heat transfer through the movement of fluids or gases.
Core: The core is the central and hottest section of the sun. It is the region where nuclear fusion reactions occur, converting hydrogen into helium and releasing tremendous amounts of energy in the form of light and heat .Radiative zone: The radiative zone is the layer of the sun where energy is transferred by thermal conduction.
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Why can’t cellular respiration occur without photosynthesis?
Answer:
Because photosynthesis makes Glucose and cellular respiration breaks down the glucose into Carbon Dioxide and H20 (Water). 5.0.
Explanation:
Photosynthesis and cellular respiration are interconnected processes. Photosynthesis uses light energy to create carbohydrates and oxygen while cellular respiration uses these carbohydrates and oxygen to release energy. These processes have a cyclical relationship enabling energy conversion.
Explanation:Cellular respiration cannot occur without photosynthesis because of the interdependence of the two processes. Photosynthesis in plants absorbs light energy to create carbohydrates (like glucose) in chloroplasts and releases oxygen as a byproduct. Cellular respiration, on the other hand, involves the breakdown of these carbohydrates using oxygen in the cytoplasm and mitochondria of cells to release energy.
During photosynthesis, with the help of an enzyme known as RuBisCO, CO₂ reacts with an organic compound called RuBP to form a three-carbon molecule of G3P which, after three cycles, leaves the cycle to become a part of a carbohydrate molecule. These carbohydrates are then used as critical starting material for cellular respiration process. The binary synergy between photosynthesis and cellular respiration enables the cyclical conversion of light energy into chemical energy usable by organisms.
To show this in an equation form:
During photosynthesis - 6CO₂ + 6H₂O --> C6H12O6 + 6O₂ (glucose and oxygen are produced).
During cellular respiration (the reverse process) - C6H12O6 + 6O₂ --> 6H₂O + 6CO₂ (water and carbon dioxide are created).
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How is anaerobic respiration affect by changes in temperature ?
Based on the conditions of early earth, what conclusions you draw about the amount of anaerobic respiration that was occurring at Earths beginning ?Explain your answer
If there was a sudden drop in the temperature after the evolution of the first living cells,
predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. Explain your answer.
Answer:
The rising temperature will increase the rate of anaerobic respiration, up to a point. Beyond that the heat will start putting a stress on the organismand the rate will go down. More heat will eventually kill the organelles.
Which of these genes is not a part of the lac operon
Answer:
Can you show the different genres so I can tell you wich one it is
Explanation:
The correct answer is repressor gene (C).
The gene that is not part of the lac operon is the repressor gene. The lac operon includes structural genes, a promoter, and an operator, while the repressor gene is located upstream and regulates the operon's activity.
The lac operon in E. coli contains three structural genes (lacZ, lacY, and lacA), a promoter, and an operator gene. The repressor gene, however, is not part of the lac operon itself; it is a separate gene located upstream of the operon that produces the repressor protein which binds to the operator region to regulate transcription.
Key Points About the lac Operon:
It consists of three structural genes: lacZ, lacY, and lacA.The promoter and operator regions are essential for the transcription control of these genes.The repressor gene is separate and not part of the lac operon but influences its activity.Complete Question:
Which of these genes is not a part of the lac operon?
A. operator gene
B. promoter gene
C. repressor gene
Easter Island is a small island in the southern Pacific Ocean. It lies approximately 3,500 kilometers east of Chile and is considered one of the most remote islands. It is also a volcanic island. In 2025, Easter Island had a population of 16,000. However, many of the island’s residents were killed during a series of volcanic eruptions that occurred in the year 2065. Of the original population, only 200 people survived. It is now 100 years later, and the population of Easter Island has reached 800. Of the current population, 328 people are homozygous recessive for Marfan syndrome, which is autosomal (mm genotype). Marfan syndrome is a genetic disorder that affects the connective tissue. Symptoms of Marfan syndrome include increased height, thinness, flexible joints, heart complications, and long arms, legs, fingers, and toes.
q^2 -
q -
p -
p^2 -
2pq -
Use this information to help you answer the following questions:
The original population’s actual genotype frequencies were: MM – 0.42, Mm – 0.13, mm – 0.45.
1.) Is the current population in Hardy - Weinberg equilibrium? Yes or No
2.) Is the current population evolving? Yes or No
3.) If the current population is evolving, what type of effect is responsible for genetic drift?
A. Yes, the current population in Hardy - Weinberg equilibrium follows.
p = 0.36 (dominant allele)
q = 0.64 (recessive allele)
p² = 0.13
2pq = 0.46
q² = 0.41
What is hardy Weinberg equation?The Hardy-Weinberg equation is a mathematical equation used to calculate the genetic variation of a population at equilibrium.
Here, we need to use the Hardy-Weinberg equations:
p + q = 1
p² + 2pq + q² = 1
p: the frequency of the dominant allele
q: the frequency of the recessive allele
p²: the frequency of homozygous dominant
2pq: the frequency of heterozygous
q²: the frequency of homozygous recessive
Here, we know that 328/800 people are homozygous recessive, which means that q² = 328/800 = 0.41.
Then, q = √0.41 = 0.64, and p = 1 - q = 1 - 0.64 = 0.36.
Now, we have p² = (0.36)² = 0.1296 ≈ 0.13 and 2pq = 2 * 0.36 * 0.64 = 0.4608 ≈ 0.46.
Final answer:
p = 0.36
q = 0.64
p² = 0.13
2pq = 0.46
q² = 0.41
B. To know if a population is in Hardy-Weinberg Equilibrium scientists have to observe at least two generations. If the allele frequencies are the same for both generations then the population is in Hardy-Weinberg Equilibrium. Yes, the current population in Hardy - Weinberg equilibrium.
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Which of the following is NOT a piece of evidence of evolution?
Which is one of the three domains?
-Eukarya
-Protista
-Animalia
-viruses
Answer: Eukarya.
Explanation: The domains are Archaea, Bacteria, and Eukarya.
Answer:
Eukarya is the correct answer.
Explanation:
organisms are grouped into three domains based on the difference in nucleotides sequences in the rRNA and lipid structure in the cell membrane.
There are three domains
Archaea( they do not have a nuclear membrane) bacteria(they do not have a nuclear membrane )prokaryotic organisum are the member to the Archaea domain or bacteria domain
3.Eukarya( they have a membrane-bound nucleus)
Eukaryotic organisms are the part to the eukarya domain.
two alleles/letters for one trait that are different is called
When two alleles for a trait are different, the term for this is heterozygous. A person with two different alleles for a gene, such as Aa, is considered heterozygous.
When two alleles for one trait that are different, it is called heterozygous. These alleles, which are variations of a gene, reside on homologous chromosomes and each is inherited from one parent. Being heterozygous for a gene means that the individual has two different alleles, which could be represented, for example, as Aa where 'A' is the dominant allele and 'a' is the recessive allele. This differs from being homozygous, where both alleles would be the same, either dominant (AA) or recessive (aa).
Which of the following soil types is most vulnerable to wind erosion?
Clay soils
Loamy soils
Coarse sand
Rocky soil
(I’m between B and C...)
Answer is:
Coarse sand - C
Answer:
Loamy Soils
Explanation:
Loamy soil is "made of small, light, and nutrient rich soil particles."
what is mutualism? with example!
what is a substance dissolved in water called
solute is the thing being dissolved and the solvent is the thing that dissolves it. so the water is the solvent and etc
Down syndrome, the most common genetic condition in the United States, is also called trisomy 21. What does this mean?
A. A person with Down syndrome has two copies of chromosome 21 but they're fused together. During early embryo development, these chromosomes didn't segregate properly.
B. A person with Down syndrome has only one copy of chromosome 21 instead of two copies. Either the sperm cell or the egg cell was lacking this chromosome.
C. A person with Down syndrome has three copies of chromosome 21 instead of two copies. An extra chromosome 21 was present in either the sperm or the egg cell.
D. A person with Down syndrome has three copies of chromosome 21 instead of two copies. Two sperm cells simultaneously fertilized the egg cell.
Trisomy=3 chromosomes; 1 more than the required pair (2)
21=the type of chromosome
So, here we can eliminate A and B.
Now we have C and D.
I know that when sperm cell(s) simultaneously fertilize [an] egg, a class of identical twins will form. Therefore, we can eliminate D, leaving us with merely C. Henceforth, C is your final answer.
Answer:
The correct answer option is C. A person with Down syndrome has three copies of chromosome 21 instead of two copies. An extra chromosome 21 was present in either the sperm or the egg cell.
Explanation:
Down Syndrome is the most genetic condition in the United States caused by the error in the cell division called 'disjunction'.
A normal person has two copies of chromosome 21 while a person with down syndrome has three copies of it in either the sperm or the egg which fails to separate.
What kinds of cells can develop from unipotent stem cells
Unipotent These stem cells can produce only one cell type but have the property of self- renewal that distinguishes them from non-stem cells.
Examples of a unipotent stem cell are a germ line stem cell (producing sperm) and an epidermal stem cell (producing skin)
What stem cells are unipotent?Stem cells are cells with the potential to develop into many different types of cells in the body. They serve as a repair system for the body.
There are two main types of stem cells: embryonic stem cells and adult stem cells.
What is true of unipotent stem cells?They work to replenish the cells throughout an individual's life, but can be repurposed to serve another tissue or organ. Unipotent stem cells are derived from other types of stem cells, but at some point, differentiate themselves to become a specific type of tissue.
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How can a geological time scale BEST be reconstructed?
A) Comparing vestigial structures in living species .
B) Comparing homologous structures in living species.
C) examining homologous structures in fossil remains.
D) examining the written records of scientist from past structures.
C.
This makes the most sense to me. Studying fossils is how it is usually done. Many things can be told from this.
Answer:
The answer examining homologous structures in fossil remains
Explanation:
It is possible to get an idea of how things change and evolve by comparing how fossils change over time.
Macromolecules that contain carbon , hydrogen and oxygen in a 1:2:1 ratio is called ?
Answer/Explanation: Carbohydrates contain carbon, hydrogen and oxygen atoms with the ratio of hydrogen atoms to oxygen atoms in the ration of 2 hydrogen atoms to 1 oxygen atoms (2H : 10) such as in sucrose or table sugar C12H22011. It is Carbohydrates are a ready source of energy.
Macromolecules that contain carbon, hydrogen and oxygen in a 1:2:1 ratio are called carbohydrates.
Which group of molecules has a ratio of 1 carbon 2 hydrogens 1 oxygen?
Carbohydrates are a group of organic compounds containing a ratio of one carbon atom to two hydrogen atoms to one oxygen atom.
Do all carbohydrates have a 2:1 ratio?Carbohydrates are a class of chemical compounds composed of carbon, hydrogen, and oxygen in a 1:2:1 ratio, respectively.
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1. If a black heterozygous guinea pig is crossed with a homozygous white guinea pig with the
genotype bb, what is the probability that the offspring will be white?
Answer:
2/4
Explanation:
because the ratio off the offspring is 2 black pig : 2 white pig. so probability of white pig will be 2/4.
Stellar evolution is _____.
Answer:
Explanation:
Stellar evolution is the description which gives explanation of how star changes it's form with time. Depending upon the mass of the star the life time of star may range from few million to trillion years. It describes the fact that how the stars are born, how they mature and how they die finally.
Arianne recently traveled abroad where she enjoyed eating food from different countries and learning about different cultures. A week after she returned home, she checked into the hospital with signs of nausea, fever, and diarrhea. What best explains what happened to Arianne?
A parasitic bacteria contaminated her food.
A mutualistic bacteria infected her digestive system.
A commensalistic organism is now living in her intestine.
A predatorial organism is consuming her natural bacteria
Answer:
A parasitic bacteria contaminated her food.
Explanation:it has to be parasitic for you to have those symptoms therefore its A
Answer:
A parasitic bacteria contaminated her food.
Explanation:
Parasitic bacteria like Clostridium botulinum or salmonella cause food poisoning. The symptoms of food poisoning appear within a few hours of food ingestion or may be after 6 to 10 days. All the symptoms listed here like nausea, fever, and diarrhea occur due to food poisoning. It is clear that she is suffering from food poisoning and since these bacteria caused problems to Arianne without benefiting her in anyway, they are considered as parasites.
Also, mutualistic bacteria are the ones which live in the body of host and provide certain benefits to the host, a commensalistic organism is the one which gets benefits from the host without harming the host, a predatorial organism on the other hand kills the another organism in order to get benefits but in the question nothing like that is happening to Arianne so all these options are incorrect.
Based on the diagram below, at which point is the most oxygen being
produced?
Oxygen in Plants and Time of Day
Oxygen Production Rate
Daun
A. Point B
B. Point C
C. Point D
D. Point A
Answer:
apex is point C
Explanation:
its the highest point
Point C is the most oxygen being produced. thus, option B is correct.
What is photosynthesis?Photosynthesis is the process by which green plants and certain other organisms transform light energy into chemical energy. Photosynthesis produces oxygen as a by-product. It's made at the light stage. Several factors influence the rate of photosynthesis.
Because the amount of light and temperature are optimal at point C, more oxygen is created.
As the light intensity rises, so does the rate of photosynthesis. For photosynthesis, most plants require red and blue light wavelengths. Photosynthesis is a regulated process involving enzymes. The temperature has an impact on enzyme-controlled processes. The rate of photosynthesis is low at dawn due to the low temperatures. Due to the enhanced rate of photosynthesis at sunset, the temperature is at its optimum, resulting in a high oxygen rate.
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Which of the following accurately describes the correct order of events in the process of transpiration within a plant?
A. Water is absorbed through the leaves, is transported through the stem, and nourishes the roots.
B. Water enters the roots, passes through the leaves, and leaks through the stem pores.
C. Water is absorbed through the leaves, nourishes the roots, and leaks through the stem pores.
D. Water enters the roots, gets transported through the stem, and evaporates through the leaves.
Answer:
D) Water enters the roots, gets transported through the stem, and evaporates through the leaves
Answer:
The correct answer is option D.
Explanation:
The transpiration is the process in which plants carry water or moisture via roots to the small pores present underside of leaves where it converted into vapor and released to the atmosphere.
It takes place mainly at the leaves. Stomata are open for the exchange or passage of CO₂ and O₂ during photosynthesis.
Two functions of the transpiration are -
(1) Deploys a cooling effect on plants.
(2)Maintenance of water balance and uptake of salts, minerals.
Thus, the correct answer is option D.
Which of the following describes what can happen to an enzyme as temperature rises
5. A main function of a plant's seed is to
(1) store food to be used during early development
(2) attract pollen to be used during development
(3) take in light energy to be used during photosynthesis
(4) produce chlorophyll to be used during photosynthesis
Answer:
the main function of a plant's seed is reproduction to keep it in existence. So, that makes the answer (3) Take in light energy to be used during photosynthesis.
Explanation:
The primary function of a plant's seed is to store food for the embryo's early development. Seeds consist of an embryo, seed coat, and endosperm, with the latter providing the necessary nutrients.
A main function of a plant's seed is to store food to be used during early development. This stored energy and nutrients are critical for the growth of the embryo within the seed. Within flowering plants, these resources can be found in the form of the endosperm or sometimes within the cotyledons, depending on the type of plant.
Seeds have three main parts: the embryo, the seed coat, and the endosperm or cotyledon. The embryo is the young plant itself, the seed coat provides protection, and the endosperm or cotyledons serve as a food reserve. The seed effectively allows a new plant to have a head start in life, providing protection, nutrients, and a mechanism for dormancy, enabling germination when conditions are optimal for growth.
Which best describes the chemical reaction taking place?
Answer:
Hydrolysis of disaccharides
Explanation:
The correct option is (C).
This statement correctly describes a chemical reaction. Chemical reactions involve the breaking of existing chemical bonds in the reactant molecules and the formation of new chemical bonds to produce the products. During a chemical reaction, the arrangement of atoms is rearranged, resulting in the formation of different molecules with new chemical properties. The breaking and formation of chemical bonds involve the transfer or sharing of electrons between atoms, leading to the creation of new substances.
In a chemical reaction, reactant molecules are consumed and transformed into products. The products of a chemical reaction are the substances that result from the rearrangement of atoms in the reactants. Reactants do not "come out" of a reaction unchanged; instead, they are converted into products.
In chemical reactions, energy may be released or absorbed, depending on the specific reaction and the nature of the reactants and products involved. Some reactions release energy in the form of heat (exothermic reactions), while others absorb energy from the surroundings (endothermic reactions). The release or absorption of energy depends on factors such as bond energies and reaction conditions.
In a chemical reaction, reactants are the starting materials that undergo chemical changes to produce products. Products are the substances that are formed as a result of the reaction. Reactants are transformed into products during the course of the reaction, but products do not "go into" the reaction as starting materials.
complete question given below:
Which statement correctly describes a chemical reaction?
A. Reactants come out of a reaction.
B. Energy is always released.
C. Bonds between atoms break and reform.
D. Products go into a reaction.
Which of the following two events occur to create a sea breeze? Select all that apply. Warm air rises on the ocean and moves toward the land to cool Warm air rises on land and moves toward the ocean to cool Cool air moves from the ocean to be warmed by the land Cool air moves from the land to be warmed by the ocean
Answer:
Warm air rises on land and moves toward the ocean to cool
Cool air moves from the ocean to be warmed by the land
Explanation:
The land heats up faster than the oceans during the day. This is because water has a high heat capacity and takes more energy to raise its temperatures by one degree (even in comparison to land). Therefore land heats up the air above it faster than the oceans. The air mass over land rises due to drop in density. The cooler and denser air mass above the oceans moves towards land to replace the rising warm air. This creates a cool breeze felt on land during the day as the cool air rushes in.
Label the steps for protein synthesis in order, beginning with the first step
Once the protein is made, the gene for a particular trait is expressed
mRNA joins the ribosome, and the anticodons from tRNA join mRNA to form a chain of
amino acids
RNA polymerase unzips DNA and free RNA nucleotides join DNA to form mRNA
V A chain of amino acids is formed from peptide bonds, creating a protein
mRNA is transported from the nucleus of the cell to the ribosomes of the cell.
Answer:
1) RNA polymerase unzips DNA and frees RNA nucleotides join DNA to form mRNA
2) mRNA is transported from the nucleus of the cell to the ribosomes of the cell
3) mRNA joins the ribosome, and the anti codons from tRNA join mRNA to form a chain of amino acids
4) A chain of amino acids is formed from the peptide bonds, creating a protein.
5) Once the protein is made, the gene for a particular trait is expressed.
Answer:
Step 1: RNA polymerase unzips DNA and free RNA nucleotides join DNA to form mRNA.
Step 2: mRNA is transported from the nucleus of the cell to the ribosomes of the cell.
Step 3: mRNA joins the ribosome, and the anticodons from tRNA join mRNA to form a chain of amino acids.
Step 4: A chain of amino acids is formed from peptide bonds, creating a protein.
Step 5: Once the protein is made, the gene for a particular trait is expressed.
Explanation:
STEP 1:
During the process of transcription, RNA polymerase unzips DNA and forms mRNA.
STEP 2:
mRNA formed in nucleus then moves out to ribosomes in the cytoplasm.
STEP 3:
This mRNA undergoes translation process and tRNA transfers amino acids and forms chains of amino acids.
STEP4:
Amino acid chains are joined by peptide linkages to form proteins.
STEP 5:
Formation of protein results in the expression of that particular trait whose gene has undergo transcription and translation.
Insects, in contrast to chordates, have what feature in their nervous system?
A. Nerve net
B. Ventral nerve cord
C. No brain
D. Dorsal nerve cord
Answer: Ventral nerve cord
Explanation: The nervous system of the insects are very simple that consists of specialized cells.
It contains a network of cells that is used to generate electrical impulse that is circulated throughout the body.
Insects consists of a simple nervous system with a dorsal brain linked to a ventral nerve cord.
Answer:b ventral nerve cord
Explanation:
How wide would the sun be in your model?
Answer:
865,000
Explanation:
all you have to do is change the miles into inches
The answer you are looking for is A. 865.
This is found by simply dividing 865,000 by 1,000. This is because every 1,000 miles = 1 inch (according to the scale given within the question). Thus making A. 865 your answer.
I hope this helps!