Which of the following is a true statement about osmosis? a. osmosis is diffusion of sugar molecules across a membrane. b. osmosis is diffusion of water molecules across a membrane. c. osmosis is diffusion in plants cells. d. osmosis is diffusion in animal cells.

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

Which codon is the code for the amino acid histidine (his)?