For the last question it's either C or D.
Active site is the answer, i hope this helps:)
Answer:
A
Explanation:
If it's a permeable membrane then it will allow certain molecules in. If it's impermeable then it won't allow molecules in. Therefore it is the deciding feature of whether something can go into the membrane.
A characteristic of protein synthesis prokaryotes... Letter A
Heterozygous parents would have the genotype Rr. In a punnett square, this would show a result of 25% homozygous dominant (RR) offspring, 25% homozygous recessive (rr) offspring, and 50% heterozygous (Rr) offspring.
(I attempted to simulate a punnett square with the text)
<u> </u><u>R r
</u><u />R| RR | Rr
<u></u>r | Rr | rr<u>
</u>
