peptidoglycan in bacterial cell envelope is made up of a)cellulose b)heteropolymer c)olligosachride d) homopolymer

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino