are any of these answers correct? 1) In order to be transported across the intes
ID: 266814 • Letter: A
Question
are any of these answers correct?
1) In order to be transported across the intestinal wall into the bloodstream, carbohydrates must be digested to a Monosaccharides b. Oligosaccharides c. Disaccharides 10. (1) Which one of the following statements about glycolysis is false? e Glycolysis is a 10 step pathway that involves an energy investment phase and an energy payoff phase b Glycolysis yields 4 NADH for each glucose that enters the pathway c. Glycolysis is a catabolic pathway d. Glycolysis can occur under anaerobic co 11. (1) If lipid catabolism produces more acetyl-CoA than the citric acid can consume, but there is still a need for energy in the body, then the acetyl-CoA is used to synthesize: a. Glucose b. Ketone bodies Glycogen Fatty acids 12. (1) The reduced coenzyme NADH enters the electron-transport chain a t and its oxidation results in the synthesis of ATP molecules. a Complex l; 2 c. Complex Il; 2 d. Complex II; 3 Complex l; 3 13. (1) Which of the following terms refers to the process in which ATP is synthesized using the energy released from the operation of the electron-transport chain? c. ATP hydrolysis d. Fermentation a. Oxidative phosphorylation Substrate-level phosphorylation 14. (1) The complete catabolism of glucose to CO2 and H2O, which occurs under aerobic conditions, result the net yield of: a. 2 ATP b. 4 ATP 95 ATP 15. (2) For every acetyl-CoA that enters the citric acid cycle, indicate how many of each of the following produced a. GTP b. ??2 c. FADH2 d. NADH 16. (1) The digestion and hydrolysis of triacylglycerols takes place in: a. The mouth The stomach c. The small intestineExplanation / Answer
9. a. Monosaccharides
Before absorbing in the small intestine the sugars are broken down to monosaccharides.
10. b. Glycolysis yields 4 NADH for each glucose that enters the pathway.
This statement is false. Glycolysis yields 2 NADH for each glucose that enters the pathway.
11. d. Fatty acids.
When a cell is starving acetyl CoA is used to produce Fatty acids.
12. b. Complex I; 3
The reduced coenzyme NADH enters the electron transport chain at complex I and its oxidation results in the synthesis of 3 ATP molecules.
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