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DerKrebs [107]
3 years ago
6

A cell membrane is a phospholipid bilayer.

Biology
2 answers:
nirvana33 [79]3 years ago
5 0

Answer:

b. The surfaces of the membrane are nonpermeable.

Explanation:

This helps the cell membrane to protect the cell.

Zarrin [17]3 years ago
5 0

Answer:

The surfaces of the membrane can interact with water solutions.

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In the pea garden, Mendel found that yellow seed color was dominant to green (A>a) and round seed shape was dominant to shrun
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The correct answer is - 9:3:3:1

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A cross between pure yellow round seeds(AARR) to another pure green shrunken seeds (aarr). In the F1 generation, all offsprings are heterozygous yellow round(YyrRr).

Now this heterozygous self-pollination, in the F2 generation, 9 plants are Yellow round, 3 plants are yellow shrunken, 3 plants are green round and 1 plant is green wrinkled are formed.

             YR               Yr            yR         yr

YR       YYRR         YYRr         YyRR      YyRr

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