Yes, you're correct, it's the first one. He should do research before he does an experiment, because someone else may already know.
Answer:
The process shown in the model requires energy from the cell.
Explanation:
Active transport refers to the movement of materials across the cell membrane against concentration gradient.
The cell membrane remains intact. However, energy is required from within the cell to move materials into the cell against concentration gradient, hence the answer.
<span>a positively charged ion
a is the answer
</span>
No one knows. There's no confirmation date at the moment. As that comment said, only time will tell.
Answer:
So one partner has genotype: Aa or AA while the other without dimples has: aa
There can be children with dimples only if the first partner with dimples has as genotype Aa.