Ans: e. polar ice
Which reservoir holds the largest volume of Earth’s water?
a. groundwater
b. rivers
c. lakes
d. atmosphere
e. polar ice
Biology & Microbiology
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The instrument used to measure blood pressure is called
(a) a sphygmomanometer. (b) a hemocytometer. (c) a hematocrit centrifuge. (d) none of the above.
Biology & Microbiology
A couple is having difficulty conceiving a child, and they decide to see a fertility specialist. Which two organ systems will the specialist examine in this couple?
A. reproductive and nervous systems B. endocrine and urinary systems C. reproductive and endocrine systems D. reproductive and urinary systems Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about fertility? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Biology & Microbiology
Action potentials are propagated along a(n) ____.
A. sodium channel B. axon in two directions C. gated channel D. axon in one direction E. dendrite
Biology & Microbiology
The lacP site within the lac operon is upstream of the genes that encode for lactose uptake and metabolism proteins. The lacP site is
A. the site where genes are transcribed that encode proteins for metabolizing lactose. B. where RNA polymerase binds. C. the lac promoter site. D. the lac promoter site, where genes are transcribed that encode proteins for metabolizing lactose. E. the lac promoter site where RNA polymerase binds.
Biology & Microbiology