The scientist(s) given credit for first determining the molecule structure of DNA by building a ball-and-stick model was/were

A. Hershey and Chase.
B. Avery and Macleod.
C. Griffith.
D. Watson and Crick.
E. Chargaff.


D. Watson and Crick.

Biology & Microbiology

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What is the function of the trachea?

a. transporting air from the throat to the lungs b. sending oxygen throughout the body c. funneling air between the bronchi and alveoli d. drawing in air from outside the body

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Hypothermia results from

a. a drop in core temperature for a prolonged period of time. b. a lack of homeostasis. c. an imbalance between energy inputs (nutrients) and energy output. d. prolonged exposure to heat. e. dehydration.

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Adaptation to oxygen concentration

What will be an ideal response?

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A comparison of the kilocalorie content of a food to the weight of that food is

What will be an ideal response?

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