The major concentrations of life in the oceans are found in
A) deep, large oceans due to high nutrient concentrations.
B) the aphotic zone due to high light levels.
C) the anoxic zone.
D) regions of upwelling and in shallow coastal waters.
E) the oligotrophic zone due to clear and clean water.
D
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During the light-dependent reactions, due to electron transport, the thylakoid space becomes
A. the site of ATP synthesis. B. the site of NADPH production. C. the site where the Calvin cycle occurs D. more acidic than the stroma. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about thylakoid membranes and proton gradients? What other information is related to the question? Choose Answer Do you have the information needed to make a determination? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In which of the following groups of organisms are most species iteroparous?
A) annual plants B) perennial plants C) periodical cicadas D) salmon
Chickenpox is caused by an orthopoxvirus.
Answer the following statement true (T) or false (F)
Which of the following is bacteriostatic?
A. heating in an oven at 171°C for an hour B. freezing below 0°C C. filtration D. autoclaving E. flash pasteurization