The plasmid- or transposon-encoded ________ gene functions as BOTH an activator and a repressor of mercury resistance genes
a. hgp
b. MerA
c. MerP
d. MerR
Answer: D
Biology & Microbiology
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The structure of the ribosome is uniform throughout a eukaryotic cell
Indicate whether the statement is true or false
Biology & Microbiology
Which hormone stimulates Leydig cells?
a. testosterone b. FSH c. LH d. GnRH e. hCG
Biology & Microbiology
Eight of the 20 amino acids found in proteins are essential, and must be supplied by the diet. The globin protein of hemoglobin is roughly 10% valine, one the essential amino acids. If a person has no source of valine and an adequate supply of the other 19 amino acids, then the globin synthesis rate will be _____% of its expected level
a. 95 b. 90 c. 80 d. 10 e. 0
Biology & Microbiology
A(n) ____________________ is a tally of the number of cells in a microliter of blood. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology