Answer:
DNA are cytosine and thymine
Explanation:
in RNA, they are cytosine and uracil. Purines are larger than pyrimidines because they've a two-ring shape whilst pyrimidines simplest have a unmarried ring.
Answer:
Cytosine and Thymine
Explanation:
Of the four DNA bases, (C, T, A and G), C and T are pyrimidines. The way I remember it is, C, U (which is only in RNA) and T are "pyrimidines", which has more than 3 syllables, hence there are 3 bases in this category, as compared to purines which only contain 2 (A and G). Hope that helps and it's not confusing
What does a blade of grass look like under a microscope?.
Which body parts perform similar functions in different organisms?(A)gills and lungs (B)liver and lungs (C)gills and exoskeleton (D)liver and exoskeleton
What would happen if a cell divides before DNA replication is completed?
A patient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused these symptoms? a. vitamin a b. vitamin b6 c. vitamin b12 d. vitamin c e. vitamin e
A lack of any one of several vitamins — B12, folate (also known as folic acid), or vitamin C — causes vitamin deficiency anemia.
So the answer is D.
An increase in the number of phytoplankton in an aquatic ecosystem is always beneficial. Please select the best answer from the choices provided T F
Answer:
the answer is F
Explanation:
i just took the test and got it right
Answer:
False
Explanation:
trusttttt
The hormone made by adipose tissue that promotes satiety and a sense of fullness, thus reducing appetite is called
Liptin is the hormone made by adipose tissue that promotes satiety and a sense of fullness which reducing appetite.
What is liptin?Leptin is a hormone which is made up of adipose cells that helps to regulate energy balance by inhibiting hunger which in turn reduces fat storage in adipocytes.
So we can conclude that Liptin is the hormone made by adipose tissue that promotes satiety and a sense of fullness which reducing appetite.
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How do finches recognize members of their own species?.
Answer:
By the way they look and the songs they sing. How was sorting finches by song? All the finches sing a simular song but you can hear differences and sort them by species.
NEED HELP ASAP!!!!
The process of DNA replication requires the
help of several enzymes.
What does the enzyme DNA telomerase do
during the process of DNA replication?
A. Proofreads the nitrogenous bases
B. unwinds the DNA helix at the start of replication
C. Adds a tail to the DNA strand at the end of replication
Answer: B
Explanation: I do apologise if I got this wrong
extends the ends by copying the RNA template and extending one end of the chromosome. DNA polymerase can then extend the DNA using the primer. In this way, the ends of the chromosomes are protected. and or One of the key molecules in DNA replication is the enzyme DNA polymerase. DNA polymerases are responsible for synthesizing DNA: they add nucleotides one by one to the growing DNA chain, incorporating only those that are complementary to the template.
Relate the greenhouse effect shown in the
figure to global warming and the carbon
cycle. How do humans impact this
relationship?
The greenhouse effect is the trapping of gases in a planets lower atmosphere, causing the planet's temperature to increase over periods of time.
Global warming, or climate change, is usually referred to the human-reduced warming of the Earth.
The carbon cycle is the biogeochemical cycle where carbon is exchanged among the biosphere(the regions of the surface, atmosphere, and hydrosphere of the Earth), the pedosphere(Earth's soil mantle), geosphere(the almost spherical concentric regions of matter that make up the Earth's atmosphere), hydrosphere(the water on the Earths surface), and atmosphere(a layer of gas or gases that envelope a planet).
Humans impact this relationship by using fossil fuels daily. Fossil fuels put carbon dioxide into the atmosphere. Our use of limestone to make things such as concrete and our changing land use also impacts this relationship.
Which part of the brain is associated with conscious thought, memory, and personality?.
Answer:
The Cerebral Cortex.
When two aqueous solutions that differ in solute concentration are placed on either side of a semipermeable membrane and osmosis is allowed to take place, the water will.
Answer:
The water will move via osmosis to the side of the semipermeable membrane containing the more concentrated aqueous solution.
This movement of water will continue either until the concentrations on both sides of the membrane are equal or until the hydrostatic pressure exerted by the water column on the more concentrated side is large enough to oppose the movement of water by osmosis.
what is assimilation and egestion?
Answer:
Assimilation: The process of nutrients being absorbed by each cell of the body in the form of energy. Egestion: Secretion of waste, unwanted and excess substances from the body after food the as been digestion.
Explanation:
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?
The hormone, produced in the anterior pituitary gland, and works in to promote bone development in males is the Luteinizing hormone.
What hormone, produced in the anterior pituitary gland, works in conjunction with gonadal steroids to promote bone development in males?Generally, Hormones are simply defined as chemical runners in your body, there to aid circulation.
In conclusion, The Luteinizing hormone works in conjunction with gonadal steroids to promote bone development in males
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Why do conservation efforts focus on biodiversity hotspots?.
Answer:
hi
Explanation:
By focusing efforts on the total number of species, they allow conservationists to avoid the hard science required to decide which species matter most to ecosystems and the hard choices required to decide which species matter most to us.
During anaphase, part of the _____________ can be seen attached to the centromere of each sister chromatid as they separate.
mitotic spindle is the answer
During anaphase mitotic spindle is attached at the centromere of each sister chromatid because it attaches the chromosome to the opposite spindle pole.
What is the mitotic spindle?Protein complexes connect microtubules to the chromosomal midpoint (the centromere) (kinetochores). The connected microtubules depolymerize and shorten, causing movement that pushes chromosomes toward centrosomes situated at either pole of the cell.
The mitotic spindle is a structure that separates the chromosomes. The mitotic spindle is composed of multiple long proteins known as microtubules that are connected to a chromosome at one end and to the cell pole at the other.
The anaphase stage in the cell cycle prepares to spare sister chromatids reday for moves it toward the opposite spindle pole.
Therefore mitotic spindle is seen centromere of each sister chromatid as they separate and move toward the spindle pole.
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How a power plant will affect the environment?
Answer:
A nuclear power plant will affect an enviorment by releasing all that nuclear smoke out of the plant and they are dangerous if something goes wrong.
Explanation:
They have bad chemicals and release it in the air.
Which phase of the cell cycle takes the most amount of time?.
Answer:
Interphase
Explanation:
Besides a radio signal, what would you use to rescue people buried in an avalanche?
Answer:
avalanche transceivers are devices that actively transmit and search for an electronic signal at a limited range. They are specifically designed to locate victims buried by avalanches and are generally regarded as the fastest way to find someone in a full burial. Because of this, they are typically listed first in the three avalanche rescue items skiers need when venturing into the backcountry: transceiver, shovel, probe.
Explanation:
hope this helps
not easily broken down in the environment
Answer:
Something not easily broken down in biology is referring to a persistent pesticide.
In sunflowers, being too short means not getting enough sunlight, and growing too tall means getting blown around by the wind. Which type of Natural Selection does this show? You must also explain why you choose it.
Answer:
Explanation:Also, sunflowers planted in a garden can die because of one reason or another. If you notice that your sunflower is dying, here are some of the ways that
Sunflowers: How to Plant, Grow, and Care for sunflowers
Apr 15, 2022 · Sunflowers should be planted 1 to 1-1/2 inches deep and about 6 inches apart after the soil has thoroughly warmed. If you wish, you can plant multiple seeds and thin them to the strongest contenders when the plants are six inches tall. Give plants plenty of room, especially for low-growing varieties that will branch out.
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How to Grow Sunflowers (& Common Mistakes To Avoid ...
https://empressofdirt.net/growing-sunflowers
Oct 04, 2021 · Sizes range from dwarf types (1 to 2-feet tall) to mammoths (8 to 15 feet).The world record for sunflower height is currently 30 feet! Flower sizes can be a few inches and up to 20-inches in diameter.; Flower colors: white, pale yellow, yellow, bright yellow, orange, bronze, rust, dark red, and bi-colored varieties. Appearance and texture: long petals, short petals, fluffy, …
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https://homeguides.sfgate.com/sunlight-affect...
How Does Sunlight Affect the Grown of a Sunflower Plant?. Sunflowers (Helianthus) not only thrive in full sun, but have long been a symbol of the …
Sunflowers: How to Plant, Grow, and Care for Sunflower ...
https://www.almanac.com/plant/sunflowers
Apr 15, 2022 · Sunflowers should be planted 1 to 1-1/2 inches deep and about 6 inches apart after the soil has thoroughly warmed. If you wish, you can plant multiple seeds and thin them to the strongest contenders when the plants are six inches tall. Give plants plenty of room, especially for low-growing varieties that will branch out.
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1: Energy is conserved in ecosystems. true/false
2:Matter is conserved in ecosystems true/false
3:Large carbon compounds can be formed from small carbon compounds true/false
4:Cellular respiration happens in the chloroplasts.true/false
Answer:
what happens inside a nucleus in interphase
Answer:
1.true
2.true
3.false
4.true
Explanation:
hope this help
(*^▽^*)
For your answer, list the genotypes, phenotypes and % chance of each.
I attached the worksheet with the answer
Note it should be Yellow wings and white wings, not just yellow and white
Which is it? 1, 2, 3, or 4
I am not quite sure but I think that it might be # 4. heterotrophic cell
Hope this helps :))
When a person becomes infected with the influenza virus, cell-mediated immunity is activated. Why would the influenza virus initiate cell-mediated immunity? Describe the process of cell-mediated immunity as it would attack the influenza virus.
Cell-mediated immune reaction involve the destruction of infected cells by cytotoxic T cells, or the ruin of intracellular pathogens by macrophages The activation of naive T cells in reaction to antigen, and their subsequent expansions and differentiation, constitutes a primary immune response.
How does the influenza virus attack the cells?The viruses connect to cells within the nasal routes and throat. The influenza virus's hemagglutinin (HA) surface proteins then lash to the sialic acid receptors on the surface of a human respiratory tract cell.
Thus, Cell-mediated immune reaction involve the destruction of infected cells by cytotoxic T cells, or the ruin of intracellular pathogens by macrophages.
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What is the most common inhibitory neurotransmitter in the brain?.
Answer:
GABA or gamma-aminobutyric acid is the most important of the inhibitory neurotransmitters in the nervous system. It is the most abundant of them, and it is distributed throughout the brain and spinal cord.
Explanation:
What is a medulla? What do forensic scientists use this for?
Answer:
the inward district of an organ or tissue, particularly when it is unmistakable from the external area or cortex (as in a kidney, an adrenal organ, or hair).
"the adrenal medulla produces adrenaline"
What do legal researchers involve this for? Scientific researchers might search for the presence or nonappearance of a medulla, which is a bunch of cells that goes through a hair. The medulla is ordinarily unique relying upon the species that the hair came from, which makes it one method for recognizing creature and human hair.
In a river ecosystem, dissolved oxygen concentrations drop quickly downstream from a point-source input of organic matter into the river. This effect is due to
Answer:
increasing bacterial activity as organic matter decays
Explanation:
that would be your answer
Dissolved oxygen concentrations drop quickly downstream from a point-source input of organic matter into the river due to the breakdown of organic compounds by bacteria.
What is dissolved oxygen?The amount of oxygen dissolved in water is known as dissolved oxygen (DO). The atmosphere and aquatic vegetation provide oxygen to water bodies. Running water, such as a fast-moving stream, dissolves more oxygen than still water, such as that found in a pond or lake.Why does DO concentrations drop quickly downstream?The river's upstream environment is often cold and harsh, preventing organic life from flourishing. However, as you proceed downstream, the riverine environment normally becomes a little calmer, allowing for more oxygen-consuming river life like bacteria, which degrade and absorb oxygen as they are swept downstream producing organic products.A high organic content in water decreases the amount of dissolved oxygen in water.
hence the DO is reduced in downstream due to breaking down of bacterial products.
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Along with butterflies, what other insects are in the order lepidoptera?.
Answer:
moths and skippers...
Explanation:
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No single neuron receives input from both eyes until the A. magnocellular layer. B. striate cortex. C. parvocellular layer. D. LGN. E. parietal lobe.
No single neuron receives input from both eyes until it is allows by the striate cortex.
What is striate cortex?The striate cortex is the part of the visual cortex that is involved in processing visual information. The striate cortex is the first part of cortical visual area that receives information or input from the lateral geniculate nucleus in the thalamus.
So we can conclude that no neuron receives input from both eyes until it is allows by the striate cortex.
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Why are plant cells and animal cells shaped differently?.