Answer:
b. The surfaces of the membrane are nonpermeable.
Explanation:
This helps the cell membrane to protect the cell.
Answer:
From what I remember in my 9th grade biology class, it's usually half that amount.
The answer to this question is :
D. Obstacle Evaluation
Heterozygous brown short= Bs
homozygous brown long=BL
B s
B [ ] ]
[_BB_]__Bs_]
[ ] ]
L [_BL_]_Ls_]
50% %50
