In E. coli, the lac operon controls the
a. Breakdown of lactose
b. Production of lactose
c. Breakdown of glucose
d. Production of glucose
Ans: a. Breakdown of lactose
Biology & Microbiology
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To determine the evolutionary history of a gene, geneticists assume that the most prevalent alleles in a population
A) are dominant. B) have mutated the most. C) are the oldest. D) are the most recently acquired.
Biology & Microbiology
A duplicated chromosome consists of two sister chromatids
Indicate whether the statement is true or false
Biology & Microbiology
These muscles would contract when a person goes into a walk-in freezer: ________
Fill in the blank(s) with correct word
Biology & Microbiology
ATG is a DNA triplet that codes for an amino acid. Which mRNA codon will pair with the ATG triplet?
A. ATG B. GTU C. TAC D. UAC
Biology & Microbiology