Which of the following geographical areas

offers the most suitable environment for
development of life?



a. tropical regions
b. temperate regions
c. desert regions
d. equatorial regions
e. polar regions


D

Biology & Microbiology

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NADP+ gets its electrons to become NADPH

in the light-dependent reactions of photosynthesis from

a. ATP synthase b. the flow of hydrogen ions c. electron transfer chains d. oxygen gas e. glucose

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Enzyme's control all the cell's _____ ______.

Fill in the blank(s) with the appropriate word(s).

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An air environment, gravity, and desiccation are three challenges that were addressed in the evolution of reptiles. What three evolutionary innovations addressed these challenges?

a. Gills, bony skeleton, and lungs b. The amniotic egg, sturdy fins, and a cartilaginous skeleton c. Dorsal nerve cord, notochord, and a post-anal tail d. . Better limb support, gills, and pharyngeal slits e. Lungs, better limb support, and the amniotic egg

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During DNA replication, each new strand begins with a short

A. amino acid primer. B. DNA primer. C. lipid primer. D. RNA primer. E. hydrophilic primer.

Biology & Microbiology