Communication between neurons is achieved by
A. hormones.
B. electricity.
C. neurotransmitters.
D. depolarizing the synapse.
C. neurotransmitters.
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. If you place a plain, dry cracker in your mouth, you will slowly notice a sweet taste. Why? What will be an ideal response?
How many total chromatids are found in a human somatic cell nucleus during G2 phase?
What will be an ideal response?
The Z scheme in oxygenic photosynthesis illustrates electron transfer among molecules, which are plotted according to their differences in
a. redox potential in volts. b. energy measured in joules. c. flow rate measured in seconds. d. electron energy in ?.
Lenski and Travisano compared what happened to the size of cells in 12 replicate lines of E. coli. The results of the experiment graphed in the figure above indicate that:
a. there is a competition for limited resources in nature. b. the average cell volume decreased substantially over the first 2,000 to 3,000 generations of the experiment. c. the average cell volume increased substantially over the first 2,000 to 3,000 generations of the experiment. d. A and B. e. A and C.