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Levart [38]
3 years ago
15

What refers to the amount of a substance in a given space

Biology
1 answer:
IrinaVladis [17]3 years ago
5 0

Volume? Is that what you mean?

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1. A dominant gene (A) causes yellow color in rats, the dominant allele on another independent gene (R) produces black coat colo
Novosadov [1.4K]

Answer:

Parents: Yellow (Aarr) and Grey (AaRr)

Explanation:

Given:

allele A = yellow

allele R = black,

Heteroozygous = gray

Genotypes of the parents:

yellow (Aarr) - female

gray (AaRr) - gray

cross between these

Parents: Yellow (Aarr)  and Grey (AaRr)

Gametes: (Ar, ar) and (AR, Ar, aR, ar)

F1 (Punnet square)

----|----- AR ------|------- Ar ------|------ aR -----|----- ar

Ar | AARr (gray) | AArr (yellow) | AaRr (gray) | Aarr (yellow)

ar | AaRr (gray) | Aarr (yellow) | aaRr (black) | aarr (cream)

Ratio: 3/8 yellow : 3/8 gray : 1/8 cream : 1/8 black

6 0
2 years ago
What is the role of pH in the maintenance of DNA inside a nucleus? How can pH be disrupted?
inysia [295]

Answer:

heyooooo!!!!!!

Hydrogen ions play a central role in the lives of cells. For example, changes in hydrogen ion concentration are intimately tied to the charge of side chains in proteins. This charge state, in turn, affects the activity of enzymes as well as their folding and even localization. Further, the famed ATP synthases that churn out the ATPs that power many cellular processes are driven by gradients in hydrogen ions across membranes.

hope this helps!!

Explanation:

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When the M phase begins during the cell cycle, it starts with prophase
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Famine- High population means more mouths to feed
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(Hope this helps a little)
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3 years ago
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The brain of the nervous system and the endocrine glands of the endocrine system are similar to one another in certain ways. Bot
klemol [59]

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Like the nervous system, the endocrine system is a regulatory system. However, instead of using electrical impulses for signaling, it produces and uses chemical signals called hormones, which travel through the bloodstream and control the actions of cells and organs.

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