The molecule of chlorophyll a in photosystem II's reaction center is known as P680 because ____
a. it absorbs 680 photons per minute
b. it absorbs photons with a wavelength of 680 nm
c. there are exactly 680 accessory pigments in the photosystem
d. it will generate 680 molecules of ATP per photon absorbed
e. there are 680 electrons that can be energized by light
ANSWER: b
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While flipping through an agriculture products catalog, you come across the following advertisment, "The Centralized Ripening System—makes large scale hormone distribution even easier!". What hormone does this product distribute?
A. auxin B. abscisic acid C. cytokinin D. ethylene E. gibberellin Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about fruit ripening? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? 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?
How do the anterior and posterior pituitary
glands differ?
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Which of the following processes is involved in the "central dogma" of genetics?
A) translation only B) transcription only C) DNA replication only D) transcription and translation E) DNA replication and translation
Which muscle cells are designed for endurance?
A) hemoglobin B) slow-twitch cells C) fast-twitch cells D) myoglobin