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
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Of the stages of translation, which one is basically the same in both eukaryotes and prokaryotes?
a. initiation b. termination c. translation d. elongation
The Electron Tower
What will be an ideal response?
When DNA replication proceeds along a template, which of the following best describes the directionality of synthesis?
A. in the 3'-to-5' direction B. in both the 3'-to-5' and the 5'-to-3' directions C. in the 5'-to-3' direction D. from the centromere to the telomeres E. from telomere to telomere
Hookworms
A. have filariform larvae in soil that invade by penetrating bare feet. B. have oral cutting plates by which they anchor to the intestines. C. include Ancylostoma duodenale. D. include Necator americanus. E. All of the choices are correct.