Oversecretion of growth hormone in adulthood results in
a. pituitary gigantism.
b. acromegaly.
c. pituitary dwarfism.
d. diabetes insipidus.
e. cretinism.
B
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Organisms that undergo asexual reproduction
a. produce offspring that are identical to each other and to the parent. b. are usually very complex. c. do not require energy to reproduce. d. produce offspring that are different from each other. e. require another organism to reproduce.
The sliding filament model
a. supplies the energy needed for muscle contraction. b. provides a flexing action for the muscle fibers. c. describes the action of the actin and myosin in a muscle cell. d. explains muscle fatigue. e. only explains how muscles contract, not how they relax.
Which of the following statements is FALSE?
A) DNA polymerase joins nucleotides in one direction only. B) The leading strand of DNA is made continuously. C) The lagging strand of DNA is started by an RNA primer. D) DNA replication proceeds in one direction around the bacterial chromosome. E) Multiple replication forks are possible on a bacterial chromosome.
A bacterium that is shaped like a basketball would be called what?
A. coccus. B. bacillus. C. spirillus. D. ovular. E. squiggly.