An electrocardiogram (ECG, EKG) is a measure of the heart's:

a. electrical system.
b. blood flow to the body.
c. contraction rate.
d. blood flow to heart muscle.
e. pumping ability.


a

Biology & Microbiology

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When DNA replication proceeds along a template, which of the following best describes the directionality of synthesis?

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What will be an ideal response?

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