Neurotransmitter molecules are removed from a synapse by

a) being abosorbed by adjoining muscle tissues

b) being broken down by enzymes

c) being reabsorbed by the presynaptic neuron

d) both (B) and (C)

Name the organelle that you see in the plant cell that you did not see in the animal cell

Which phenomenon causes oceans to bulge?

Dr. Oops was working in his laboratory and mixed up his 3 containers of dangerous chemicals. He knows that one was a stronger base than the other. He measures their pH as follows: Beaker A: 9.2 Beaker B: 9.8 Beaker C: 6.

He removal of waste from Florida's East Bay and Pensacola Bay is intended to speed the bay ecosystem's natural tendency to do which of the following? A. adapt to a changed landscape B. return to its pre-pollution conditions C.

Briefly describe the major steps of the mechanism of how a competent bacterial cells becomes transformed, beginning with the binding of transforming DNA from a donor cell to the surface of the recipient cell, and ending with the resulting

What structure in the retina is primarily responsible for night vision as opposed to day vision?

Ambulatory blood pressure monitoring is:

Which statements are true of heterogeneous mixtures? 1) they settle out. 2) the proportions of solute to solvent may vary. 3) the solute is evenly distributed throughout. 4) they are composed of two solvents and two solutes. a. 1 and 2 b. 2 and 4 c.

Why do plants not need heterotrophs

During development, individual cells of the same organism begin to produce different proteins because A) not all cells can synthesize proteins. B) specific genes are activated in the cells. C) the cells have different numbers of chromosomes.