The step involving ATP, hexokinase, and the phosphorylation of glucose to glucose-6-phosphate is
A. an example of oxidative phosphorylation.
B. an example of photophosphorylation.
C. the final step of the Krebs cycle.
D. the first redox reaction of the electron transport system.
E. an example of substrate-level phosphorylation.
Answer: E
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When cells in an organism associate with each other, they form ______.
A. atoms B. molecules C. macromolecules D. tissues E. populations
Susie just squished a cockroach and its pale yellow hemolymph squirted out on the floor. If Susie analyzed the hemolymph, she would expect to find all of the following EXCEPT
A. sugars. B. water. C. ions. D. erythrocytes. E. amino acids. F. cells that protect against foreign microbes. 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 hemolymph? What other information is related to the question? Choose Answer Given what you now know, what information 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?
"Heartburn" is caused by
a. HCl sloshing back into the esophagus. b. pepsin sloshing back into the esophagus. c. pepsinogen sloshing back into the esophagus. d. chymotrypsin sloshing back into the esophagus. e. intrinsic factor sloshing back into the esophagus.
Type IV secretion systems are potentially applicable to treatment of human disease by using them to deliver DNA to target cells in human gene therapy.
Answer the following statement true (T) or false (F)