Which nutrients do not need to be digested?
a. protein, minerals, and vitamins
b. minerals, vitamins, and water
c. fat, minerals, and vitamins

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.