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Concept explainers
(a)
Interpretation: The B vitamin precursor for the coenzyme,
Concept introduction: Vitamin-B is a water soluble vitamin. There are eight vitamins classified as Vitamin B on the basis of their biochemical function to act as a precursor for the enzyme cofactors. The eight vitamin B are: thiamin, riboflavin, niacin, pantothenic acid, vitamin
(b)
Interpretation: The B vitamin precursor for the coenzyme, FMN has to be identified.
Concept introduction: Vitamin-B is a water soluble vitamin. There are eight vitamins classified as Vitamin B on the basis of their biochemical function to act as a precursor for the enzyme cofactors. The eight vitamin B are: thiamin, riboflavin, niacin, pantothenic acid, vitamin
(c)
Interpretation: The B vitamin precursor for the coenzyme, FAD has to be identified.
Concept introduction: Vitamin-B is a water soluble vitamin. There are eight vitamins classified as Vitamin B on the basis of their biochemical function to act as a precursor for the enzyme cofactors. The eight vitamin B are: thiamin, riboflavin, niacin, pantothenic acid, vitamin
(d)
Interpretation: The B vitamin precursor for the coenzyme THF has to be identified.
Concept introduction: Vitamin-B is a water soluble vitamin. There are eight vitamins classified as Vitamin B on the basis of their biochemical function to act as a precursor for the enzyme cofactors. The eight vitamin B are: thiamin, riboflavin, niacin, pantothenic acid, vitamin
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Chapter 21 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Identify the following: a. An oxidative process that releases energy b. Cellular localization of the electron transport chain during cellular respiration. c. The number of double bonds present in the metabolic precursor of all prostaglandins.arrow_forwardWhich of the following cofactors is NOT used by the pyruvate dehydrogenase complex? a. NAD+ b. FAD c. tetrahydrofolate d. coenzyme Aarrow_forwardDefine the following terms: a. thiolytic cleavage b. ketogenesis c. ketone bodies d. α-oxidation e. ACCarrow_forward
- Which of the following is NOT a component of the pyruvate dehydrogenase complex? a. dihydrolipoyl dehydrogenase b. dihydrolipoyl transacetylase c. pyruvate dehydrogenase d. dihydrolipoyl catalasearrow_forwardName the vitamin to which each of these coenzymes is related.(a) FAD (b) Coenzyme A(c) NAD+arrow_forwardWhich cofactor is essential for the synthesis of arginine in bacteria A. Tetrahydrofolate B. Pyridoxal phosphate C. FADH D. Acetyl-CoAarrow_forward
- Which of the following coenzymes does not get restored to it's original form within the PDH complex once pyruvate gets converted to acetyl CoA a. NAD+ b. TPP c. Lipolic Acid d. FADarrow_forwardWhich of the following reactions would be inhibited in the presence of large amounts of an egg white protein that binds and sequesters biotin? a. Pyruvate to Lactate b. Pyruvate to Alanine c. Phosphoenolpyruvate to Pyruvate d. Pyruvate to oxaloacetatearrow_forwardWhich of the following is NOT a physiological role of phosphorus? Select one: a. Required for ossification of bones during embryonic development b. Required for enzymatic conversions in glycolysis c. Links together ribose sugars and their associated nitrogenous bases d. Important compound required to inhibit auto-oxidation of fatty acidsarrow_forward
- The source of the nitrogen during serine synthesis is A. glutamate B. NH4+ C. NO2 D. α-ketoglutaratearrow_forwardWhich of the following statements about the "central role" of TCA is/are correct? a. Some metabolic intermediates of TCA are used as non-carbohydrate sources for gluconeogenesis. b. β-oxidation of lipids produces acetyl-CoA that can enter TCA. c. All metabolic intermediates in TCA are used in the biosynthesis of amino acids. d. Degraded amino acids are converted to metabolic intermediates of TCA, then to ketone bodies.arrow_forwardWhich of the following is a substrate for glycogen synthase? a. UTP-glucose b. Glucose 1-phosphate c. CDP-glucose d. UDP-glucosearrow_forward
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