Normal humans have how many parathyroid glands?
a. 2
b. 3
c. 4
d. 5
e. 6
Answer: c
Biology & Microbiology
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During alcoholic fermentation, __________ is converted into ethanol. Fill in the blank(s) with the appropriate word(s)
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The process by which a diploid set of chromosomes
becomes haploid is a. pollination. b. fertilization. c. cleavage. d. meiosis. e. mitosis.
Biology & Microbiology
Once a scientific theory becomes a law, it
A) cannot be changed. B) cannot be challenged. C) becomes static. D) is subject to modification. E) is irrefutable.
Biology & Microbiology
Which of the following can carry out denitrification to completion?
A. Nostoc B. Nitrobacter C. Azotobacter D. Rhizobium E. Pseudomonas
Biology & Microbiology