Speciation occurs more often between allopatric populations than it does between sympatric populations.
a. true
b. false
Ans: a. true
Biology & Microbiology
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A virus is surrounded by a protein coat known as a ____
Fill in the blank with the appropriate word.
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An adjuvant has been developed from lipid A
Indicate whether this statement is true or false.
Biology & Microbiology
What are responsible for the rapid mobilization
of the immune response after a subsequent attack by a pathogen? a. naive B cells b. naive T cells c. NK cells d. memory cells e. macrophages
Biology & Microbiology
Natural selection for a certain phenotype will affect the
A. genotype of a population. B. allele frequency of a population. C. allele frequency of an individual. D. genotype of an individual.
Biology & Microbiology