Answer:
What factors determine the shape of a protein molecule?
This is determined by the amino acid sequence.
xXxAnimexXx
Yes, mitosis does indeed stop. There is a limited amount of times that cells can divide. For example, muscle and nerve cells. In fact, nerve cells stop at about the time we are born.
Penguins and Kangaroos. Kangaroos and penguins can go a long time without food. The adaptations are beneficial to survive
Mutation is the process that causes genetic variation
Top right one, metaphase is where the chromosomes are lined up in the middle (metaphase=middle)
