Identify the bones indicated in this photo
What will be an ideal response?
a. clavicle;
b. sternum;
c. humerus;
d. rib;
e. vertebra; f. radius
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The replication of a DNA molecule during interphase occurs during the
A. first "gap" phase. B. S phase. C. second "gap" phase. D. generation "gap" phase. E. metaphase.
Umami is
A) the name of the ion channel activated by glutamate. B) another name for salty taste. C) a taste receptor cell activated by glutamate and nucleotides. D) a flavor enhancer that is part of olfaction.
Which of the following descriptors is false regarding enzymes?
A) They are proteins. B) They function as biological catalysts. C) They lower the activation energy required for a reaction. D) They affect only the rate of a chemical reaction. E) They are consumed during the reaction.
During muscle contraction,
a. the Z lines move farther away from the thick filaments b. the A band becomes narrower c. the H zone becomes narrower or disappears d. the I band remains unchanged e. both b and c occur