Match the terms with the correct definitions. 1. a nonprotein molecule or ion that is needed for an enzyme to carry out catalysis 2. an enzyme unable to act as a catalyst because its cofactor is removed 3. an organic molecule, such as a vitamin, needed by an enzyme to carry out catalysisa. coenzymeb. cofactorc. apoenzyme

Identifying the elements of hypothesis-based science this experiment is an example of hypothesis-based science. what question did the researchers ask? what question did the researchers ask? can predation result in selection for color patterns in guppies? do female guppies prefer to mate with males with bright color patterns or drab colors? do male guppies in pools with pike-cichlid fish have brighter color patterns than females in the pool? do killifish prefer to prey on juvenile guppies or adult guppies?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z