The idea that evolution proceeds in small, incremental changes over many generations is

A. temporal isolation.
B. gradualism.
C. punctuated equilibrium.
D. hybrid breakdown.
E. mechanical isolation.


B. gradualism.

Biology & Microbiology

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A site in nature where a virus exists is its

A. capsid. B. bacteriophage. C. reservoir. D. clade. E. progenote.

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The embryo develops into a fetus while it is within the 

A. ovary. B. cervix. C. vagina. D. uterus.

Biology & Microbiology

By adding SDS (sodium dodecyl sulfate) during the electrophoresis of proteins, it is possible to:

A) determine a protein's isoelectric point. B) determine an enzyme's specific activity. C) determine the amino acid composition of the protein. D) preserve a protein's native structure and biological activity. E) separate proteins exclusively on the basis of molecular weight

Biology & Microbiology

What major adaptations contributed to the success of the angiosperms?

A) Broad leaves B) Flowers and fruits C) Sap containing "antifreeze" D) A and B E) A and C

Biology & Microbiology