If you wanted to block transmission of nerve impulses between successive neurons, you would design a drug to impair
A. axons.
B. dendrites.
C. synapses.
D. trigger zones.
E. nodes of Ranvier.
C. synapses.
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The group of protists to which you are most closely related is:
A. the choanoflagellates B. slime molds C. Rhizaria D. Foraminifera E. Stramenopila
Which form of selection is most likely to contribute to speciation over time?
a. stabilizing selection b. directional selection c. diversifying selection d. sexual selection
Regions of a stem that give rise to new shoots or roots are called ____
a. ground tissue b. dermal tissue c. cortex cells d. internodes e. nodes
Water molecules stick to other water molecules because
A) water molecules are neutral, and neutral molecules are attracted to each other. B) hydrogen bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules. C) covalent bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules. D) the oxygen atoms of adjacent water molecules are attracted to one another.