Fats should account for approximately ____ of calories in a balanced diet.

a. 40 to 50 percent
b. 10 to 15 percent
c. 55 to 65 percent
d. 25 to 30 percent


Ans: d. 25 to 30 percent

Biology & Microbiology

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E. All of the choices are correct.

A. They are involved in cell motility. B. They require ATP to work. C. They are composed of microfilaments. D. They require motor proteins to work. E. They are composed of an internal structure called the axoneme.

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What is the name of the process by which carbon sediments on the ocean floor are moved beneath one tectonic plate, and may eventually be released by volcanic activity?

a. sublimation b. infusion c. subduction d. lithification

Biology & Microbiology

With the exception of ______, all animals have some tissues organized into organs.

a) sponges and insects b) amphibians c) insects d) roundworms and flatworms e) sponges and some cnidarians

Biology & Microbiology

There are ________ kinds of cone cells that allow us to see colors.

A. 600 B. 3 C. 200 D. 10

Biology & Microbiology