The reactions of the Krebs cycle:
A. take place in the cytosol of human cells.
B. generate ATP directly by substrate-level phosphorylation.
C. are important for the metabolism of carbohydrates but not other molecules.
D. take place only when no oxygen is present.
E. produce pyruvate and lactate as end products.
B
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Some bacteria are not pathogenic
Indicate whether the statement is true or false.
Which of the following situations would lead to a decrease in MAP?
A. Participation in a 3-mile fun run B. Participation in a spinning class C. Practicing silent meditation for 20 minutes D. All of the choices would lead to a decrease in MAP.
Supplemental oxygen given to a patient with an acute myocardial infarction:
A) will prevent the patient from developing a lethal cardiac dysrhythmia. B) should not exceed 3 L/min in order to prevent oxidative injury. C) oxygenates the myocardium that is distal to the occluded coronary artery. D) enhances the body's compensatory mechanisms during the cardiac event.
Melanin, hemoglobin, and carotene give color to the skin.
Answer the following statement true (T) or false (F)