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Andrews [41]
3 years ago
9

Describe how a food chain/web supports the processes of cellular respiration and photosynthesis.

Biology
1 answer:
wolverine [178]3 years ago
7 0

Answer:

They allow the carbon and oxygen that organisms consume and produce to be cycled through the ecosystem. They work together so that what is made from one process is used in the other. Without them the ecosystem would run out of carbon dioxide and oxygen, and everything would die.

Explanation:

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11. If you wanted to obtain 100% roan calves, what would the parents' genotypes need to be?
belka [17]

If you wanted to obtain 100% roan calves, then it si required to cross parents who are homo-zygous (pure lines) for the genes associated with this trait.

<h3>What is a homo-zygous individual?</h3>

A homo-zygous is an individual who has the same gene variants or alleles for a given gene locus.

Conversely, a heterozygous is an individual who has different gene variants or alleles for a given gene locus.

In breeding, pure lines (or purebred) are homo-zygous individuals that may be crossed to obtain the desired trait in the descendence.

Learn more about homo-zygous individuals here:

brainly.com/question/13760394

7 0
2 years ago
Watson and Crick first built a triple-helix model of DNA. In this model, the nitrogenous bases were on the outside of the DNA mo
Sedaia [141]

Because it makes accessing them easier for the cell, it is assumed that the bases will be on the outside of the DNA molecule.

<h3>What is DNA molecule?</h3>
  • Because the two DNA strands are made up of simpler monomeric units termed nucleotides, they are referred to as polynucleotides.
  • Each nucleotide is made up of a phosphate group, a deoxyribose sugar, and one of the four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).
  • An alternating sugar-phosphate backbone is created when the nucleotides are linked together in a chain by covalent connections (also referred to as the phospho-diester linkage) between the sugar of one nucleotide and the phosphate of the next.
  • To create double-stranded DNA, the nitrogenous bases of the two distinct polynucleotide strands are joined by hydrogen bonds in accordance with the base pairing principles (A with T and C with G). Pyrimidines and purines make up the two families of complimentary nitrogenous bases.

To learn more about DNA molecule with the given link

brainly.com/question/22499464

#SPJ4

7 0
2 years ago
The myelin sheath on a neuron allows nerve impulses to be faster because
blondinia [14]
Axons with large diameters conduct impulse faster than those with small diameters. Also Myelinated axons conduct impulse faster than unmyelinated axons. Axons with the largest diameter are all myelinated, therefore they are capable of salatory conduction (Impulses jump from one myelinated node to another). The smallest diameter axons are unmyelinated, so their conduction is continuous.
I hope this helps. :) :)
3 0
3 years ago
Sutherland found evidence for the presence of a G protein- coupled receptor for epinephrine in muscle cells. For this receptor t
gulaghasi [49]

Answer:

Three binding site

- guanine nucleotide

- guanosine triphosphate

- guanosine diphosphate

Explanation:

These sites are essential in signal transfer, cell growth, cytoskeletal assembly, protein synthesis and membrane vesicles transport.

5 0
3 years ago
It is winter where Jenna lives. It’s been snowing all day, but now the snow has changed to sleet and then to freezing rain. What
DedPeter [7]
The cause behind these changes is the that the temperature is changing while it is raining, so when it drops to 32 degrees F or below, it is snow. At 32 degrees F, it is sleet, and at higher than 32 degrees, it is going to be freezing rain.
8 0
3 years ago
Read 2 more answers
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