The sun’s energy is delivered as discrete packets that travel as waves and are called
a. ATP.
b. carotenoids.
c. NADP.
d. photons.
Answer: d. photons.
Biology & Microbiology
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Which of the following vitamin deficiencies results in rickets?
a. vitamin A b. vitamin E c. vitamin D d. vitamin K
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The area where the optic nerve leaves the retina and where photoreceptors are absent is called the ________
A) blind spot B) fovea C) cornea D) optic area
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Which structures produce goosebumps?
A. cuticles B. hair follicles C. sudoriferous glands D. arrector pili muscles E. sebaceous glands
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