Because fossil fuels are the remains of once living organisms, they contain reservoirs of ________ that are released into the atmosphere when they are burned.

A. phosphorus
B. nitrogen
C. carbon
D. oxygen


Answer: C

Biology & Microbiology

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A defect in transport of which ion would have the most direct effect on muscle contraction?

a. Cl? b. K+ c. Ca2+ d. Na+ e. Zn2+

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Angie wants to go with her boyfriend to a bar and drink some beer, but she does not want to become intoxicated because she needs to drive them both home after 2 hours. She weighs 120 pounds

What advice can you give her based on the information in the textbook?

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What is/are the most important output(s) of glycolysis?

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Asexual reproduction results in greater reproductive success than does sexual reproduction when _____

A) pathogens are rapidly diversifying B) there is some potential for rapid overpopulation C) a species is expanding into diverse geographic settings D) a species is in stable and favorable environments

Biology & Microbiology