Exam 24: Carbohydrate Metabolism

Which of the following hormones increases blood glucose levels?

Which of the following is a product of the first stage of the pentose phosphate pathway?

Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) Lactate accumulation is the cause of muscle pain and cramping during prolonged, strenuous exercise. (2) Lactate production during exercise lowers blood pH, which triggers faster breathing. (3) The effects of both type I and type II diabetes are the same: inadequate glucose uptake by cells.

Which of the following conversions is accomplished by the process of glycolysis?

Use the following to answer the questions below: What is the ATP yield per glucose molecule in each of the following processes? Respond using the list. Responses may be used more than once or need not be used at all. -Glycolysis plus reduction of pyruvate to ethanol

Accumulation of which of the following substances is the cause of stiff and sore muscles after vigorous exercise?

How many glycolysis intermediates are molecules that contain one or more phosphate groups?

Use the following to answer the questions below: What is the ATP yield per glucose molecule in each of the following processes? Respond using the list. Responses may be used more than once or need not be used at all. -Glycolysis

Which of the following hormones promotes the uptake and use of glucose by cells?

Adding 10 glucose units to a growing glycogen chain

Use the following to answer the questions below: Assign each of the reaction characterizations to one of the metabolic pathways listed in the responses. Responses may be used more than once or need not be used at all. -Two trioses combine to form fructose 1,6-bisphosphate as part of this process.

Which of the following substances are participants in the reactions encompassed by the Cori cycle?

Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) Absorption of monosaccharides through the intestinal wall into the bloodstream involves passive transport. (2) In the conversion of pyruvate to acetyl CoA, a carbon dioxide molecule is produced. (3) Glucose degradation occurs in both glycolysis and the pentose phosphate pathway.

The transition from the C₆ stage of glycolysis to the C₃ stage involves the conversion of the molecule fructose 1,6-bisphosphate into the C₃ species

The regeneration of NAD⁺ from NADH occurs during the conversion of pyruvate to

Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) Gluconeogenesis is a process through which glucose can be synthesized from noncarbohydrate materials. (2) The process of glycolysis takes place in the cytosol of a cell. (3) Insulin's function is to increase blood glucose levels by speeding up the conversion of glycogen to glucose.

Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) The conversion of glucose 6-phosphate to glucose does not occur in muscle and brain cells. (2) The two triose phosphates initially formed in glycolysis are dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. (3) ATP production during glycolysis occurs via substrate-level phosphorylation.

Use the following to answer the questions below: Assign each of the characterizations to one of the metabolic pathways listed in the response list. Responses may be used more than once or need not be used at all. -Glucose is synthesized from pyruvate.

Which of the following is a three-step process?

Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) The first step of glycolysis involves the phosphorylation of glucose to produce glucose 1-phosphate. (2) The processing of one glucose molecule via glycolysis produces two acetyl CoA molecules and two carbon dioxide molecules. (3) The majority of ATP molecules produced during the complete oxidation of glucose form during the glycolysis phase of oxidation.