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Advocard [28]
3 years ago
7

A type of membrane which allows only certain molecules to pass through is called?

Biology
2 answers:
MatroZZZ [7]3 years ago
7 0
I'm pretty sure it's a cell membrane
Alexeev081 [22]3 years ago
6 0
Cell Membrane which is a Selectively Permeable Membrane.
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tatuchka [14]

Answer:

1/4

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A heterozygous woman for both traits (RrFf) marries with a man with no freckles (ff) who can't roll his tongue (rr).

The cross is: RrFf X rrff.

The woman can produce the gametes <em>RF, Rf, rF </em>and <em>rf</em>

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<u>The possible offspring that can arise from the combination of those gametes is:</u>

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separation of the enzyme and the products of the reaction.

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