The function of the parathyroid glands is to produce parathyroid hormone, which acts to control
a. phosphorus levels.
b. red blood cell formation.
c. white blood cell formation.
d. production of thyroid hormone.
e. calcium levels.
E
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Hair cells are found in structures represented by which numbers?
A) 1 and 2 B) 3 and 4 C) 5 and 7 D) 6 and 8 E) 9 and 10
Lederberg and Tatum's experiments demonstrated that
A. bacteria can acquire genetic material from each other. B. bacteria do not release DNA into the environment for other bacteria to take up. C. bacteria must be in physical contact in order for bacteria to exchange genetic material. D. the genetic transfer occurred when the bio+, met+ phe-thr- strain transferred DNA to the bio-met- strain. E. All of these observations were made by Lederberg and Tatum.
Human females are the ________ sex.
A) homozygous B) homogametic C) hemizygous D) heterozygous
If yeast cells are incubated under anaerobic conditions, the pyruvate they produce is converted to
lactate. __________________ Indicate whether the statement is true or false.