Answer:
Explanation:
light reaction - chlorophyll absorbs light energy
dark reaction -
happens in the stoma when light is not presentfactors - chlorophyll, carbon dioxide concentration, light intensity , temperature ,water
A small segment of DNA has the following nitrogen base sequence:
DNA=TAC CCT ACC ATT
Answer:
RNA=AUG GGA UGG UAA
- only assuming because you didn't finish the question
Explanation:
A-->U, T-->A, C-->G, G-->C
Describe two similarities between bacterial cells and animal cells
Which of the following is not a way that nonnative organisms are introduced to new aquatic ecosystems related to commerce? a. Cargo ship hulls b. Recreational boats c. Escape from aquariums d. Migration Please select the best answer from the choices provided A B C D.
The nonnative organisms are introduced to new aquatic ecosystems in option "D" which is migration.
What is an aquatic ecosystem?An aquatic ecosystem is an ecosystem in and encircling a body of water, indifferent to land-based terrestrial ecosystems.
Aquatic ecosystems have communities of organisms that are dependent on each other and on their environment.
Thus, migration is not a way that nonnative organisms are presented to new aquatic ecosystems related to trade.
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If both parents have normal pigmentation, what are all of the possible genotypes that may be observed in their offspring
If these both parents have the normal pigmentation then it flolows that all the chilldren will possess a normal pigmentation.
What is genotype?The term genotype refers to the sum total of the genes that an offspring acquires from its parents. We must note that genes are contained in the chromosomes.
We do not know the specific pairs of alleles possesed by the parents since the question is incomplete. However, we do know that the both parents do have a normal pigmentation. If these both parents have the normal pigmentation then it flolows that all the chilldren will possess a normal pigmentation.
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Select all that apply B vitamins are required for Multiple select question. chemical breakdown of carbohydrates. synthesis of lipids. protection of cell membranes against oxidative damage. metabolism of amino acids.
Vitamin B are required for the following :
Protection of cell membranes against oxidative damage metabolism of amino acids.Vitamin BVitamin B is very important for the proper functioning of the body cells in the body by helping with the metabolism process of converting food to energy. Vitamin B helps in the protection and maintenance of healthy skin and all kinds of cells and tissues in the human body.
Vitamin B helps in the rebuilding and creation of new blood cells in the body as well.
Hence we can conclude that Vitamin B are required for the following : Protection of cell membranes against oxidative damage, metabolism of amino acids.
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In this experiment, researchers placed a pair of lizards from Iron Cay, which has large trees, in an experimental island, which has only small bushes and grass. After several generations, they measured the leg length of 10 lizards from each site. Which group of lizards had longer legs on average?
A. The ones on Iron Cay
B. The ones on the experimental island
C. There is little or no difference between the two samples
D. The difference between the two samples is too large to be conclusive
On average, the lizards from Iron Cay seem to have longer legs than the lizards living on the experimental island. We know this because the sample means + 2 SEMs (the 95% confidence intervals) do not overlap. However, to know whether the difference between the means is statistically significant you would need to use a statistical test like the student t-test
Answer:
C is the answer of the question
is this correct ? T-T
Answer:
Not exactly. Here are my corrections:
Somatic cells undergo mitosisGerm cells undergo meiosisExplanation:
The rest of the table is correct! Great job
How does the mutation rate affect the speed at which a population adapts to its environment?
Answer:
Under these conditions an increase in the mutation rate evolves, which allows faster adaptation to the spatial variation in local temperature, causing a faster range expansion across the spatial gradient.
Answer:
The mutation rate is the speed (or mutations per unit time) at which a sequence of DNA changes, either through natural means or artificially induced means. Natural selection is the way that a population of organisms evolve over time to adapt to their environment.
Help please!
in humans, one of the genes determining color vision is located on the x
chromosome. the dominant form (c) produces normal color vision; red-green
color blindness (c) is recessive. if a man with normal color vision marries a color-
blind woman, what is the probability of their having a color-blind son? a color-
blind daughter?
Answer:
The chances that the first child from this marriage is a color-blind boy is ... 25%
Geneticists have been working for years to develop higher quality cotton fibers by selectively breeding plants with better fibers. What is a drawback of this selective breeding process?
We can confirm that the drawbacks of selective breeding include increased risk of genetic defects and reduced resistance to immunological threats.
What is selective breeding?This is a breeding method in which specific organisms are bred that contain the desired trait, in order to produce offspring with that specific trait. This brings many downsides in that it reduces genetic variation in the organism, making it more prone to infections and disease, as well as increasing the risk of transmitting a genetic anomaly between breeding cycles.
Therefore, we can confirm that the drawbacks of selective breeding include increased risk of genetic defects and reduced resistance to immunological threats.
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Scientists have several theories about magma hotspots and mantle plumes. They are theories because neither can be observed within the Earth's layers. Scientists say a model of a hotspot/mantle plume location in the Earth is much like a lava lamp. Consider the photo of the lava lamp and complete the analogy. Select which description would not apply
Most Magma Hotspots are situated under the African Plate. Others occur very close to the diverging plate boundaries. Some are also known to be underneath Iceland, the Azores, and the Galapagos Islands.
What is a Magma Hotspot?A magma hot spot refers to an area on the Earth domiciled over a mantle plume where molten magma is hotter several degrees than surrounding magma.
The magma plume causes melting and thinning of the rocky crust and widespread volcanic activity.
Please note that the referenced photo is unavailable hence the general answer.
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What is meant by the term "osmosis"?
Answer:
Explanation:
Osmosis is a passive process and happens without any expenditure of energy. It involves the movement of molecules from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane. Any solvent can undergo the process of osmosis including gases and supercritical liquids.
Answer: in biology Osmosis is the carriage of a solvent through a semipermeable membrane that separates two solutions of differing solute concentration. During osmosis, the solvent moves from the solution so that lower in solute concentration to the solution that was highest in solute concentration.
Explanation:
In proteins structure determine the what? of a protein
The primary structure of a protein is its amino acid sequence. This drives the folding and bonding of the linear amino acid chain, which in turn determines the unique three-dimensional shape of the protein.
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A person who is dehydrated has a lower than normal amount of water in their blood but has the same amount of formed elements. Therefore, their hematocrit will be _____________ normal.
PLEASE HELP!!
How does Pavan believe we should think about the value of a mangrove tree?
Answer:
who is pavan. value???
Explanation:
Gregory is doing his experiment for the science fair. The above table shows the data he collected. Based on the table, what is the best description of what Gregory wanted to know?
A student wants to determine the effect of soil type on plant growth. He set up 3 pots as shown below. How could this experiment be improved?
A - There is nothing wrong with this experiment.
B - The three pots should have different amounts of water
C - All three pots should have the same kind of seed, the same amount of light, and the same amount of water.
D - All three pots should have the same kind of soil.
Answer:
C is correct
Explanation:
took test (k-12 student)
3. Carbonation - Warmer temperatures result in more rain. Rain and carbon dioxide combine with limestone
to make calcium bicarbonate. Thus removing carbon dioxide from the atmosphere and resulting in lower
temperatures. (focus temperature)
Earth's system(s) involved
4. Global warming affects the cloud distribution, resulting in higher altitude clouds. Clouds at higher
altitudes result in more infrared radiation reflected back at the Earth's surface than immediately reflected back into
space. (focus temperature)
Earth's system(s) involved
Answer:
Warmer ocean water is involved in the cycle letter d, for the greenhouse gas and the atmospheric carbon dioxide will be able to cause a rise in the ocean temperature, causing a high increase in terms of evaporation. Thus, the vapored water will contribute to the increase of global warming.
Explanation:
hope im right
Acid rain discolors and disfigures a limestone statue.
Which type of weathering is this?
A. mechanical
B. physical
C. biological
D. chemical
Acid rain discolors and disfigures a limestone statue.
Which type of weathering is this?
Options:-A. mechanical
B. physical
C. biological
D. chemical
Answer:- Option D. ChemicalExplanation:- When NO2 and SO3 in the air mixes with rain drops they form acids nitric acid and sulphuric acid respectivelywhen these acids fall in the form rain they are called acid rain Acid rain when fall on the limestone statues they crode away the minerals from them after reacting with them They change insoluble compounds into soluble which is a chemical reaction Weathering due to chemical reaction is called chemical weathering .What is yhe role of decomposers in an ecosystem?
1) Water is one of the required reactants for photosynthesis. It provides electrons that are energized by sunlight and used to make energy carriers like ATP. Where do plants get the water they need for
photosynthesis?
Answer: Plants get water from the soil their roots are embedded in.
Explanation: Photosynthesis can be defined as the process by which the the autotrophs make food with the help of carbon dioxide and water.Water provides electrons,these electrons are energized by sunlight and used to make ATP.The plants get water from the soil. The water in the soil is absorbed by the roots of the plant that is transported to the leaves for photosynthesis.hence, the answer is soil.
Rocks that have large visible minerals are described as having a.
explain each of the following diffusion happens faster when the temperature rises
Answer:
Diffusion is the transport of particles from an area of high concentration to an area of low concentration.
Explanation:
So, with that being said, the higher the temperature is, the more Kinetic Energy the particles will have, meaning they will move to different areas of concentration at a faster rate.
Explain why human cells undergo mitosis.
Answer:
to make more diploid cells.
Explanation:
It works by copying each chromosome, and then separating the copies to different sides of the cell. That way, when the cell divides down the middle, each new cell gets its own copy of each chromosome.
Answer:
The purpose of mitosis is to make more diploid cells.
Explanation:
It works by copying each chromosome, and then separating the copies to different sides of the cell. That way, when the cell divides down the middle, each new cell gets its own copy of each chromosome.
Which part of a plant are used to attract birds and insects called
Answer:
Nectar
Explanation:
The part of a plant that is used to attract birds and insects is called Petals. Sometimes, nectar is also used for the same function.
What do you mean by Plant?A Plant may be defined as a living thing that grows in the earth and has a stem, leaves, and roots. They are the autotrophs that synthesize their own food through the process of the photosynthesis.
Petals are multicolored leaf-like structures that encircle the male and female reproductive organs of the plant. Because of its colorful nature, it attracts a variety of birds and insects.
Nectar is a sweet substance that attracts insects or birds for the purpose of pollinating the flower.
Therefore, the part of a plant that is used to attract birds and insects is called the Petals. Sometimes, nectar is also used for the same function.
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Think about how acids and bases would affect the water quality in the two lakes. which set of ph data would you expect to see based on your observations? lake a: ph = 4.5; lake b: ph = 7.5 lake a: ph = 8.3; lake b: ph = 3.7 lake a: ph = 6.6; lake b: ph = 6.8 lake a: ph = 10.2; lake b: ph = 1.7
Answer:
7.5
Explanation:
Its neutral and testless
Water first-rate has significantly laid low with the presence of acid and base within the water. So answer is lake a: ph = 6.6; lake b: ph = 6.8.
The water isn't always precise for fitness whilst its exceptionally acidic or exceptionally basic. If the pH of water is almost impartial, this water is nice for consuming purpose. In the choice 3, each lake A and lake B has pH almost impartial so this water reasons no awful impact at the fitness of the human body. Highly acid water has low water first-rate because of the presence of metals which adversely have an effect on our body.
What is pH of lake water ?The pH degree of the water in rivers, lakes, and wetlands is critical to plant and animal life is 7.
Hence explained.
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Which of the following statements about prokaryotic cells is correct?
They reproduce ase xually through a form of cell division called binary fission.
They contain multiple chromosomes floating in the cytoplasm.
They have a single DNA strand within a membrane-bound nucleus.
They reproduce s exually by exchanging genetic information during conjugation.
Answer:
Answer is here : according to this you can right ur ans
Answer:
the answer would be A
Explanation:
prokaryotic cells reproduce ase.xually through a form of cell division called binary fission'
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During metaphase the chromosomes line up along the:.
Answer:
center of the cell at the metaphase plate.
Explanation:
If a strand of DNA has 48% cytosine what will the percent be for the other nitrogenous bases?
Answer:
There are 4 possible nucleotides that occur in two complementary sets. If 24% of the DNA is cytosin, the equal share has to be the complementary guanin. That makes 48% GC that leaves 52% AT, thus 26% are adenine and 26% thymine.
This calculation of course wouldn’t work if you were to look at only one DNA strand, where you’d end up with a vastly underdetermined mathematical system.
Explanation:
Why would it be incorrect to say that the DNA sequence A-C-G codes for the amino acid threonine?
It would be incorrect to say that the DNA sequence A-C-G codes for the amino acid threonine because mRNA codons code for amino acids not DNA.
What is a codon?A codon is a triplet nucleotide sequence that encodes a particular amino acid.
A DNA sequence is transcribed into mRNA sequence, which is read in a group of three nucleotides called codon.
Each mRNA codon (three letter) encodes an amino acid.
Therefore, it would be incorrect to say that the DNA sequence A-C-G codes for the amino acid threonine because mRNA codons code for amino acids not DNA.
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