The first step in mitosis is: a) chromosomes pull away from each other
b)a cell splits apart
c)the nucleus makes a copy of its chromosomes
d)the nucleus of the cell forms

C) The nucleus makes a copy of its chromosomes

Explanation: It will start to duplicate itself

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.