What does a nucleotide consist of? a. nitrogenous bases and sugar b. a polymer of nitrogenous bases c. sugar and phosphates d. a nitrogenous base a sugar and a phosphate

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

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

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers