18. How many access valves are needed to recover the refrigerant on a sealed system with an opera compressor that has a completely restricted capillary tube?

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.

answer; /// i believe the correct answer is (reactants);