What gland secretes growth hormone?
A) posterior pituitary
B) anterior pituitary
C) adrenal cortex
D) thyroid gland
B) anterior pituitary
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Cadherins (select all correct choices):
A. are cell adhesion molecules found in cellular junctions at cell surfaces. B. are calcium-dependent proteins involved in attachment of cells to neighboring cells. C. are calcium-dependent proteins involved in attachment of cells to the extracellular matrix. D. are highly diverse, and each type can only bind to a complementary cadherin type.
The human has __________ sets of autosomal chromosomes. What will be an ideal response?
An optimal strategy for an animal in procuring food would involve all of the following EXCEPT:
a. securing essential nutrients. b. maximizing the size of each prey item. c. minimizing the risk of predation during foraging and feeding. d. maximizing energy gained. e. minimizing energy expended.
What is the function of the release factor (RF)?
A. It releases the ribosome from the eR to allow polypeptides into the cytosol. B. It separates tRNA in the A site from the growing polypeptide. C. It binds to the stop codon in the A site in place of a tRNA. D. It releases the amino acid from its tRNA to allow the amino acid to form a peptide bond. E. It supplies a source of energy for termination of translation.