The jawless vertebrates, referred to as agnathans, form a monophyletic group that includes an ancestor and all of its

descendants.



a. True
b. False


ANSWER: False

Biology & Microbiology

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The collection of genes and the corresponding alleles is a population's

A. recessive traits. B. genotype. C. gene pool. D. phenotype. E. dominant traits.

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The promotion of the lactose operon in bacteria is

a. activated by a repressor protein. b. independent of glucose concentration. c. activated by lactose binding. d. regulated by RNA polymerase. e. regulated by mRNA.

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If a cell has 32 chromosomes prior to S and undergoes mitosis followed by cytokinesis, each new daughter cell will have how many chromosomes?

A. 32 B. 16 C. 64 D. 8

Biology & Microbiology

Which neurotransmitter may function to regulate emotions and is involved in pathways that control complex movements?

A) synapse B) serotonin C) norepinephrine D) dopamine

Biology & Microbiology