What do you mean by responsible? Do you want to know the genetics behind it, what the surface markers do, or why they are metically important? I think I can help.
Answer:
This should help you understand more about DNA replication
and it also has a picture.
Answer:
how many minutes did he run in 8 weeks
Explanation:
Normally, oxygen from the blood cells supply your muscles with the energy it needs to carry out certain actions. However, when there isn't enough oxygen to support the muscles, it produces lactic acid, or fermentation, to make up for the oxygen. (That's why you get that burn-y feeling whenever you exercise!)
Answer:
Explanation:
The population would decrease I believe because that means that if there is more organism that an environment can handle that means there won't be enough resources for all of the organism like food that means the population will slowly die off.