The process by which a T or B cells responds to an initial activation by an antigen is known as ____

a. diversity expansion
b. specific expansion
c. clonal expansion
d. innate immunity
e. complement immunity


ANSWER: c

Biology & Microbiology

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What theory connects the ideas of microevolution, macroevolution, natural selection, and genetics as they relate to the evolution of species?

a. the theory of evolution b. the theory of decent with modification c. genetic drift d. modern synthesis

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Frequencies of inversions and/or allele frequencies often vary regularly when examined over a geographic area changing in either latitude or climate. This type of regular change is called a ________

A) zonality B) cline C) gradient D) biome

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Which of the following is NOT true about scientific inquiry?

A. Creating hypotheses B. Collecting evidences C. Running experiments with precision D. Accepting an idea is true directly E. Recording everything you see F. All the answers above

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In mitosis, if a parent cell has 16 chromosomes, each daughter cell will have how many chromosomes?

A) 64 B) 4 C) 32 D) 16 E) 8

Biology & Microbiology