The inherited disease in which hemoglobin molecules clump into long fibers, changing the shape of blood cells is

As a small change in a person's dna can cause a genetic disorder

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis