How many pairs of chromosomes are there

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Name the glands associated with human digestive system

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti