Darwin's finches, collected from the Galápagos Islands, illustrate which of the following?
A) mutation frequency
B) ancestors from different regions
C) adaptive radiation
D) vestigial anatomical structures
E) the accuracy of the fossil record
C
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A biochemist wants to control the initial substrate-level phosphorylation that occurs in the tracheal cells of grasshoppers once glucose has crossed the plasma membrane. He has access to the following inhibitors: Rotenone - an electron transport chain inhibitor, Oligomycin - an ATP synthase inhibitor, and TLN-232, an inhibitor of glycolysis. Which inhibitor should he use to slow down initial substrate-level phosphorylation that occurs once glucose has crossed the plasma membrane?
A. Rotenone B. Oligomycin C. TLN-232 D. None of these inhibitors would be effective in preventing substrate-level phosphorylation 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 substrate-level phosphorylation during cellular respiration? What other information is related to the question? Choose Answer Do you have all the information needed to determine which inhibitor would have the biggest impact on substrate-level phosphorylation? 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?
Air in the northern hemisphere is deflected to the left of its direction of movement due to the Coriolis effect
Indicate whether the statement is true or false
Chlorophyll b absorbs green wavelengths of light that chlorophyll a cannot absorb. In this respect, chlorophyll b acts as
A. an energizer for photosynthetic bacteria. B. a light absorber in the green light. C. a more efficient pigment. D. an accessory pigment.
In random mating
A. breeding occurs between two different subspecies. B. breeding occurs between two different species. C. individuals choose the most attractive mate. D. fertile offspring are not produced. E. there is no factor influencing mate choice.