A gene’s location on a chromosome is its ____
a. genotype
b. phenotype
c. diploid number
d. haploid number
e. locus
ANSWER: e
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What is the difference in the bonding between alpha-helix and beta sheets?
A. Hydrogen bonding between the amides only occurs in one of these two types of secondary structures. B. Hydrogen bonding occurs between the amides of adjacent chains in the sheets instead of between the amides in different parts of the helices. C. Sulfur bridges allow the spring like turns in alpha helices and van der Waals dispersion allows the folds in beta sheets. D. Hydrogen bonding always occurs in the alpha helices but only occurs in parallel beta sheets.
The Hardy-Weinberg equilibrium demands that all individuals in a population be equal in their ability to survive and reproduce.
a. true b. false
Trace the path of a sound wave beginning from its entry into the ear to its transmission to the brain. What will be an ideal response?
Plasma cells
A. are derived from T-lymphocytes. B. function in blood clotting. C. function in cell-mediated immunity. D. produce and secrete antibodies. E. All of these choices are correct.