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ycow [4]
3 years ago
6

Identify the steps of the phosphorus cycle?

Biology
1 answer:
miv72 [106K]3 years ago
3 0
Over time, rain and weathering causes rocks to release phosphate ions and other materials.  This inorganic phosphate is then distributed into the soil and water.  plants take up inorganic phosphate from the soil.  the plants may then be consumed by animals. Once in the plants or animal, the phosphate is incorporated into organic materials that break down organic matter to inorganic forms of phosphate.  this process is known as mineralisation.  Phosphate in soil can end up in waterways and eventually oceans.  once there, It can be incorporated into sediments over time.
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What is the interrelationship between photosynthesis and cellular respiration?
Kamila [148]
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
8 0
3 years ago
16. Why should the recessive phenotype be used first to determine the q squared value instead of the dominant phenotype to deter
podryga [215]

The recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.

<h3>What is a recessive phenotype?</h3>

A recessive phenotype is a phenotype which expresses the recessive trait of a gene.

The recessive phenotype is always h0m0zygous for that triat to be expressed.

In the Hardy-Weinberg equilibrium equation, the allele and phenotype frequencies are given as follows:

  • p^2 + 2pq + q^2 = 1

where;

  • p^2 is the h0m0zygous dominant phenotype frequency
  • 2pq is the heterozygous phenotype frequency
  • q^2 is the h0m0zygous recessive phenotype frequency

Therefore, the recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.

Learn more about recessive phenotype at: brainly.com/question/22117

8 0
2 years ago
The structure of aba is shown below. why was this a suitable substitution for a cys residue? under what circumstances would it n
Inessa [10]

Answer and explanation;

-Aba is a suitable replacement because Aba and Cys have approximately the same sized side chain and are similarly hydrophobic.

-However, Aba cannot form disulfide bonds so it will not be a suitable replacement if these are required.

-Alpha-Aminobutyric acid is biosynthesized by transaminating oxobutyrate, a metabolite in isoleucine biosynthesis.


8 0
3 years ago
In which order will free nucleotides add on to a single strand of DNA with the sequence ATTGCA during DNA replication? (2 points
Iteru [2.4K]

Answer:

guanine, cytosine, cytosine,adenine,thymine,guanine

Explanation:

This is because during DNA replication the complementary base pairings are Adenine and Guanine, Thymine and Cytosine.

4 0
3 years ago
How can this PLR (pupillary light reflex) help you determine whether the lesion is in the eye itself or elsewhere?
Contact [7]

Answer:

Pupillary light reflex refers to the contraction that the pupils present when they light up. In cases of injury to the optic nerve, when the eye where the injured optic nerve is illuminated, since it cannot conduct the stimulus to the brain, neither pupil closes.

Explanation:

Pupillary light reflex refers to the reaction that causes the pupil to close with light thanks to the contraction of the sphincter of the pupil and to open in the dark thanks to the relaxation of that muscle by not receiving any stimulus. A light stimulus reaches the eye and in the retina it is transformed, through a chemical reaction, into an electrical stimulus that will be transmitted through the optic nerve and the visual pathways to the brain. The visual cells of the retina, rods and cones, also act as light receptors that control the pupil's motor activity. Thus, pupil-motor thresholds to light follow the same spectral sensitivity deviations as visual thresholds, which are a function of the state of light adaptation of the retina.

4 0
3 years ago
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