In sarcomers, phosphate-group transfers from ATP activate _____
a. actin c. both
b. myosin d. neither
B
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The West African black rhino, one of four subspecies of rhinoceros, was declared extinct in 2006. Their horns were believed by many to hold medicinal value. What is the most likely reason for the extinction of the West African black rhino?
A. habitat loss B. overexploitation C. introduced species D. pollution E. climate change 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 causes of extinction? 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?
In land plants what % of the water transported by the xylem is used for metabolism?
a. 66% b. 85% c. 2% d. 32% e. 90%
How does temperature-driven vertical turnover occur, and what is its importance?
What will be an ideal response?
Which of the following has the phases of the Calvin-Benson cycle in the correct order, starting with the entry of ribulose 1,5-bisphosphate?
A. Regeneration phase, carboxylation phase, reduction phase B. Reduction phase, carboxylation phase, regeneration phase C. Carboxylation phase, regeneration phase, reduction phase D. Carboxylation phase, reduction phase, regeneration phase