Generally speaking, a nucleotide substitution has less severe consequences than a nucleotide addition/deletion

A. true B. false

In animals, somatic cells are ________ and germ cells are __________

A. diploid ; diploid B. diploid ; haploid C. haploid ; diploid D. haploid ; haploid

Which animal(s) can get needed oxygen by diffusion of the gas across a body surface and can distribute oxygen without the need of a specialized circulatory system?

A. fish B. flatworms C. fish and flatworms D. sea anemones E. sea anemones and flatworms

How was it experimentally determined that "puffs" are transcriptionally active?

What will be an ideal response?