During synaptic transmission, the influx of ________ causes vesicles in the axon bulb to fuse with the cell membrane, releasing ________
A) mitochondrion; neurons
B) Ca2+; neurotransmitter
C) neurotransmitters; Ca2+
D) vesicles; neurons
E) neurons; mitochondrion
B
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Aquaporins have been identified in the epithelium of the large intestine. What is the function of these aquaporins?
A) to secrete water into the large intestine B) to reabsorb water from the large intestine C) to regulate solute transport from the feces to the body D) to release hormones involved in regulating digestive processes of the large intestine
The three most common shapes of bacteria are:
a. Star-shaped, cubical, and spherical b. Spherical, rod-shaped, and spiral c. Cubical, spiral, and thread-like d. Rod-shaped, star-shaped, and cubical e. Cubical, spherical, and rod-shaped
What type of mutation occurred in the following?
Normal allele GGAAUGAAACAGGAACCC Mutant allele GGAAUGAAACAGGUACCC substitution insertion deletion frameshift
________ reactions capture energy from the organisms' energy source.
Fill in the blank(s) with the appropriate word(s).