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Questions and Answers
In aerobic conditions, the cell acts as an initial acceptor of electrons.
In aerobic conditions, the cell acts as an initial acceptor of electrons.
False (B)
The oxidation of NADH results in the reduction of ATP to ADP.
The oxidation of NADH results in the reduction of ATP to ADP.
False (B)
Glucose 6-phosphate is primarily oxidized to pyruvate through the pentose phosphate pathway.
Glucose 6-phosphate is primarily oxidized to pyruvate through the pentose phosphate pathway.
False (B)
NADP is the electron acceptor in the glycolytic breakdown of glucose.
NADP is the electron acceptor in the glycolytic breakdown of glucose.
The pentose phosphate pathway is used to synthesize ATP.
The pentose phosphate pathway is used to synthesize ATP.
Rapidly dividing cells use the pentoses to make RNA, DNA, and coenzymes.
Rapidly dividing cells use the pentoses to make RNA, DNA, and coenzymes.
The total energy from glycolysis is 7 ATP.
The total energy from glycolysis is 7 ATP.
Phosphorylation at the level of the substrate occurs in the TCA cycle.
Phosphorylation at the level of the substrate occurs in the TCA cycle.
Oxidative phosphorylation occurs in the cytoplasm.
Oxidative phosphorylation occurs in the cytoplasm.
The reduction equivalents NADH and FADH are oxidized in the TCA cycle.
The reduction equivalents NADH and FADH are oxidized in the TCA cycle.
GDP is converted to GTP in glycolysis.
GDP is converted to GTP in glycolysis.
The electron transport chain is involved in oxidative phosphorylation.
The electron transport chain is involved in oxidative phosphorylation.
In all tissues, the essential product of the pentose phosphate pathway is pentoses.
In all tissues, the essential product of the pentose phosphate pathway is pentoses.
The pentose phosphate pathway is necessary for the synthesis of cholesterol and steroid hormones.
The pentose phosphate pathway is necessary for the synthesis of cholesterol and steroid hormones.
Erythrocytes are not directly exposed to oxygen and its damaging free radicals.
Erythrocytes are not directly exposed to oxygen and its damaging free radicals.
The first reaction of the pentose phosphate pathway involves the reduction of glucose 6-phosphate.
The first reaction of the pentose phosphate pathway involves the reduction of glucose 6-phosphate.
The pentose phosphate pathway generates only one molecule of NADPH.
The pentose phosphate pathway generates only one molecule of NADPH.
Ribose-5-phosphate is not a precursor for nucleotide synthesis.
Ribose-5-phosphate is not a precursor for nucleotide synthesis.
Gluconeogenesis is a pathway that converts glucose into pyruvate and related three- and four-carbon compounds.
Gluconeogenesis is a pathway that converts glucose into pyruvate and related three- and four-carbon compounds.
The brain requires about 60 g of glucose each day.
The brain requires about 60 g of glucose each day.
Gluconeogenesis occurs only in animals.
Gluconeogenesis occurs only in animals.
Glucose is the sole or major fuel source for the human brain and nervous system.
Glucose is the sole or major fuel source for the human brain and nervous system.
Glycogen is always sufficient to supply glucose for the brain.
Glycogen is always sufficient to supply glucose for the brain.
Gluconeogenesis is a pathway that only occurs in the liver and muscles.
Gluconeogenesis is a pathway that only occurs in the liver and muscles.
Glycogenesis occurs mainly in the liver and kidneys.
Glycogenesis occurs mainly in the liver and kidneys.
Four enzymes participate in the process of glycogenesis.
Four enzymes participate in the process of glycogenesis.
Glucose-1-phosphate is activated by its union with ATP.
Glucose-1-phosphate is activated by its union with ATP.
The enzyme glycogen synthase is influenced by the hormone epinephrine.
The enzyme glycogen synthase is influenced by the hormone epinephrine.
The branching enzyme Amylo (1-4) (1-6) trans-glucosidase forms the (1-4) glycosidic bond.
The branching enzyme Amylo (1-4) (1-6) trans-glucosidase forms the (1-4) glycosidic bond.
Glycogenesis is the opposite of glycogenolysis.
Glycogenesis is the opposite of glycogenolysis.
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