The process that accounts for the most changes in the mix of alleles in a gene pool is ____
a. natural selection
b. genetic drift
c. phenotype variations
d. inheritance
e. mutations
ANSWER: a
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Which of the following nonpathogenic protozoa has a very large glycogen vacuole in its cyst form and measures approximately 5 to 20 µm in diameter?
a. E. coli b. I. butschlii c. E. dispar d. E. nana
The carbohydrate tree added to proteins targeted to the primary lysosome is added on an amino acid different from the amino acid where the carbohydrate tree is added to a transmembrane protein.
a. true b. false
During transcription of the trp operon, pairing of regions 2 and 3 in the leader peptide mRNA creates a(n) ________ signal
A) continuous B) termination C) antitermination D) induction E) repression
Sensilla are sensory hairs involved in taste and smell
____________________ Indicate whether the statement is true or false.