24) Glucose-6-phosphate is a substrate in which of the following processes? A) G

Question

24) Glucose-6-phosphate is a substrate in which of the following processes? A) Gluconcogenesis B) Glycolysis E) Both A and B are correct D) Glycogenolysis 25) Fructose-2,6-bisphosphate A) Is an indicator of high cellular glucose concentration B) Is formed by PFK-1 C) Photosynthesis C) Activates aldolase E) All of the above are correct D) Both A and B are correet All of the following are important components of the electron transport chain except- A) Coenzyme Q D) Cytochrome e C) Coenzyme A B) Succinate dehydrogenase E) NADH dehydrogenase 27) Evidence supporting the chemiosmotic theory includes all of the following except A) Inhibitors of ATP synthesis have been shown to dissipate the proton gradient B) Mitochondria with disrupted membranes cannot synthesize ATP C) ATP synthesis is depressed when mitochondrial swelling occurs as a result of osmotic changes D) The pH of a weakly buffered suspension of mitochondria rises when Op added. E) Actively respiring mitrochondria expel protons. 28) The rap video example that I showed in class as an example of how students can learn through the arts was about A) Amino acids B) Protein degradation C) Energy production D) DNA replication E) pH 29) Allosteric regulation of which of the following enzymes is important in the regulation of glycolysis? C) Pyruvate kinase B) PFK-1 E) All of the above are correct D) Both A and C are correct 30) Which of the following enzymes will catalyze a committed step in glycolysis B) Aldolase E) Phosphoglucooisomerase C) Triose phosphate isomerase A) Phosphofructoisomerase D) Phosphofructokinase 1

Explanation / Answer

24) Option E is correct. Glucose-6-phosphate is a substrate in both gluconeogenesis and gkycolysis.

25) Option A is correct. Fructose-2,6-bisphosphate is an indicator of high cellular glucose concentration.

26) Option C is correct. All of the following are components of the electron transport chain except Coenzyme A.

27) Option D is correct. Evidence supporting the chemiosmotic theory inculdes all of the following except The pH of a weakly buffered suspension of mitochondria rises when O2 added.

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