Cardiac output may be increased by a

A. greater-than-normal heart rate.

B. lower-than-normal stroke volume.

C. lower-than-normal stroke volume and heart rate.

D. greater-than-normal stroke volume.

E. greater-than-normal stroke volume and heart rate.


E. greater-than-normal stroke volume and heart rate.

Biology & Microbiology

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A protein that is linked to a carbohydrate is known as a ____

a. glycoprotein b. lipoprotein c. fibrous proteins d. denatured proteins e. prions

Biology & Microbiology

Contents of the digestive system are moved along by rhythmic contractions and relaxations of smooth muscle. This process is called _________

Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

In ? phage, which protein, the product of the cI gene, blocks the transcription required to initiate the lytic cycle?

A) cro B) repressor C) enhancer D) integrase E) operator

Biology & Microbiology

Using living organisms to clean up polluted ecosystems is known as

A) migration. B) restoration ecology. C) bioremediation. D) landscaping.

Biology & Microbiology