4. The catabolic pathways. Match the figure and the letter.A. Common catabolic pathways.B. Krebs cycle.C. Oxidative phosphorylation.D. Digestion.E. Oxidative decarboxylation.250Chapter 5. Catabolism and cellular bioenergeticsFalsStarchProseinsFalty acidsGlycerineGlucoseAminoacidsPyruvate2Acetyl-S-COACOA-SHCo,Tricarboxylicacid cycieNADH H*02Cumem

Catabolism and anabolism are together called as metabolism. Catabolism is the breaking down of…

Answered: 4. The catabolic pathways. Match the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

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Complex III contains which cofactor as a prosthetic group? A. iron-sulfur clusters B. FAD C. FMN D. coenzyme Q E. copper
Recognize the true fact about coenzymes. * A. Are called prosthetic group that tightly and permanently bound to enzyme. B. Are vitamin derivatives. C. Are inorganic ions such as Zn2+ and Mg2+. D. All of the above is correct.
7) The following questions apply to glycolysis (figure 3-41 on page 79 of the 12th edition), the Krebs cycle (figure 3-44 on page 82) and to oxidative phosphorylation (figure 3-45 on page 84). Calculate the total amount of ATP produced from one glucose molecule if: a. The oxidation of NADH + H* to NAD* + 2H* produced 4 ATP. b. The oxidation of FADH₂ to FAD + 2H* produced 1 ATP. c. Each step of the Krebs cycle that produces NADH+H* produced FADH2 instead. d. Each step of the Krebs cycle that produces FADH2 produced NADH + H+ instead. e. Sucrose is substituted for glucose.
Transforming sucrose into glucose and galactose is an example of a catabolic process. b. a. an anabolic process. C. energy of motion. d. potential energy. e. kinetic energy- a
3. Determine how energy is produced in the protein metabolic pathway and compute for ATP production. TOPIC: Protein Metabolism/Interrelationship of the Different Catabolic Pathways
Match the type of reaction with the number of times it takes place in the citric acid cycle P. Hydration-dehydration I. One Q. substrate-level phosphorylation II. Two III. Four R. Decarboxylation S. Oxidation-reduction a. P-III, Q-I,R,S-II b. P,R-II, Q-I, S-III c. P-II, Q,R-III,S-I d. P-I, Q-II,R,S-III
Which of the following is NOT TRUE about fatty acid biosynthesis? A. 8 NADPH is used to produce palmitate. B. The growing fatty acid chain is elongated by the sequential addition of two-carbon units. C. The process is repeated 7 times to produce palmitate. D. The process occurs in the cytosol.
One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc deficiency and the enzyme lacks zinc, it would be referred to as the: a. apoenzyme. b. coenzyme. c. holoenzyme. d. prosthetic group. e. substrate.
9. Catabolism, the degradative phase of metabolism, is said to be convergent. This means that: A. the catabolic pathways are all the same. B. several different starting materials are converted to several different ending materials. C. one starting material is converted to several different ending materials. D. several different starting materials are converted to the same ending material. 10. Cellulose is comprised of glucose monomers connected by what kind of glycosidic bond? A. a (1 → 4) B. α (1> 6) С. В (1 > 4) D. B (1 → 6) E. None of the above
19. Which coenzyme is NOT involved in the reaction catalyzed by pyruvate dehydrogenase? a coenzyme A b. coenzyme Q C. NAD+ d. FAD e. lipoamide f. thiamine pyrophosphate
Select all FALSE statements about allosteric enzymes. a. They interconvert between a more active form and a less active form. b. They tend to have a hyperbolic curve of ?0 vs. [S]. c.They conform to Michaelis–Menten kinetics. d. They are generally small single subunit proteins. e. They may have binding sites for regulatory molecules that are separate from active sites.
It makes sense that enzymes should be active when they are needed and inactive when they are not needed. Non-competitive (allosteric) regulation of enzymes is important in metabolism because it allows for the rapid adjustment of their activity. Recall hexokinase, a key enzyme of glycolysis. Which of the following molecules likely functions as an allosteric inhibitor of its activity? A. ADP B. Glucose C. NAD+ D. Pyruvate

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4. The catabolic pathways. Match the figure and the letter. A. Common catabolic pathways. B. Krebs cycle. C. Oxidative phosphorylation. D. Digestion. E. Oxidative decarboxylation.