B. More drastic change than a point mutation
Answer:
It is necessary to separate oxygenated and deoxygenated blood separate in mammals and birds to maintain their body temperature. Also, if they both are mixed, the blood will get impure and it would be difficult for the heart to supply impure blood. We also can't live with impure blood so we most probably will die.
Once the sperm cells are formed, the are stored in the epididymis, where they are temporarily stored while they mature.
Hope this helps :)
Answer:
It starts with sugar, or C6H12O6 being broken down.
Explanation:
Also, as seeing that it is the only macromolecule here and because of the fact that glycolysis uses glucose, or sugar, your answer is B, sugar.
I am not sure if this question means the adjective form or the adjacent form? However, a Schwann cell is a type of glial cell and its main function is to support neurons. Adjacent to the Schwann cell are nodes of Ranvier which are gaps in the myelinated axons, and are believed to assist in potential generation among other things.