Augustus Waller invented a machine that measures ____

a. blood pressure when the ventricles are contracting
b. blood pressure when the ventricles are relaxed
c. cardiac output
d. electrical activity of the brain
e. electrical activity of the heart


ANSWER: e

Biology & Microbiology

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A predictable effect of genetic drift in a small population is an increase in _____

a. mutations b. dominant alleles c. recessive alleles d. genetic variation e. homozygosity

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Under Hardy-Weinberg equilibrium, what is the maximum attainable frequency for Aa?

a. 1.0 b. 0.75 c. 0.5 d. 0.25 e. 0.0

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A PCR procedure that allows a determination of the amount of a particular DNA fragment that is present in a sample is called ________.

A. reverse PCR B. quantitative PCR C. analytical PCR D. real-time PCR

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The waggle dance of a bee indicates to other bees in the hive the direction of food.

Answer the following statement true (T) or false (F)

Biology & Microbiology