The digestive system breaks carbohydrates down into simple sugars. this is important because
a) sugars are required to maintain the structure of the cell
b) simple sugars are not requred by the brain
c) simple sugars are required for metabolism
d) sugars are responsible for all cellular communication in the body

the answer is b.) hydrogen bonds between bases.

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.