Ecology is the study of body function. 

The sugar in RNA is glucose.

Cutting the tails off of mice for several generations should cause the tails of their offspring to become shorter.

Most bacteria on earth cause disease.

If a strand of DNA has the sequence AAGCAA, it replicates a new strand of DNA with the bases ___.

The cyanobacteria are photosynthetic.

The innermost portion of a virus is made up of ___.

The atom is the smallest unit of living matter.

Viruses are composed of a nucleic acid core and a fat coat, with or without an outer envelope.

All the alleles of all the individuals in population make up the __.