The melon of dolphins and other toothed whales is used for:
a. storage of food.
b. protecting the brain.
c. focusing sound pulses.
d. receiving sound pulses.
e. producing sounds.
C
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In a chemical reaction, 1,3-bisphosphoglycerate + ADP yields 3-phosphoglycerate plus ATP. What is the delta G for this reaction?
A. Greater than zero. B. Less than zero. C. Equal to zero. D. Cannot be determined 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 free energy in enzymatic reactions? What other information is related to the question? Choose Answer Do you have all the information needed to answer the question? 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?
The surfaces of clay particles in soil ____
a. often bear positively charged ions b. release water to plants easily c. often bear negatively charged ions d. are generally hydrophobic e. acidify the soil
Asexual Reproduction
What will be an ideal response?
The optimum condition for an enzyme
A. is 60°C. B. is where it works best. C. cannot be determined. D. All of these answers are true.