Which of the following is NOT an endocrine gland?
A) pituitary
B) thyroid
C) adenoid
D) adrenal
C) adenoid
Pharyngeal tonsils, when enlarged, are commonly called adenoids and are lymphoid tissue, not endocrine glands.
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Chemical mutagens often act by altering the
A. alkyl groups of the nucleobase. B. nucleobase sequence. C. number of binding sites on the nucleobase. D. hydrogen bonding properties of the nucleobase.
All of the following are true of gene therapy except
a. gene therapy could be used to treat inherited disorders. b. viruses are used to deliver genes to target cells. c. cystic fibrosis has been successfully treated by gene therapy. d. gene addition incorporates an additional gene into target cells. e. gene correction corrects the gene mutation in the target cells.
Phylogeny is most analogous to
a. a family genealogy. b. a burst of new computer technology. c. a telescopic view of the early universe. d. a traffic light. e. a roller coaster
Four of the five answers listed below are related to growth hormone. Select the exception
a. has receptor sites on most body cells b. overproduction may cause acromegaly c. overproduction may cause diabetes d. generates the fight or flight response e. underproduction may cause dwarfism