Which statement is not completely true? O Stage 3 is composed of the citric acid cycle, and the elecrtron transport chain coupled with oxidative phosphorylation. O Anabolism are reactions involved in the breakdown of biomolecules - energy is released. O The ultimate goal of the 3 stages of catabolism is to regenerate ATP from ADP. O In Stage 2 of Catabolism, the main energy molecule that all macronutrients are broken down into is Acetyl groups (combined with the shuttle COA) to form Acetyl COA. O An array of chemical reactions (series of steps) that are organized into orderly well regulated sequences are called metabolic pathways. O The purpose of the citric acid cycle is to regenerate NAD* and FAD to NADH and FADH2

Which statement is not completely true? O Stage 3 is composed of the citric acid cycle, and the elecrtron transport chain coupled with oxidative phosphorylation. O Anabolism are reactions involved in the breakdown of biomolecules - energy is released. O The ultimate goal of the 3 stages of catabolism is to regenerate ATP from ADP. O In Stage 2 of Catabolism, the main energy molecule that all macronutrients are broken down into is Acetyl groups (combined with the shuttle COA) to form Acetyl COA. O An array of chemical reactions (series of steps) that are organized into orderly well regulated sequences are called metabolic pathways. O The purpose of the citric acid cycle is to regenerate NAD* and FAD to NADH and FADH2

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

Section: Chapter Questions

Problem 1P

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n the brain and muscles, in order for cytoplasmic NADH to insert its electrons int the electron transport chain (ETC), it first has to pass its electrons to (i.e. reduce) what molecule? 1. Dihydroxyacetone phosphate 2. Glutathione 3 ATP Synthase 4 Dinitrophenol (DNP)
Use your knowledge of fat metabolism. glycolysis, the TCA cycle, and axidative phosphorylation to determine how many molecules of ATP eauvalents are produced when glycerol undergoes biochemical combustion. Assume that each molecule of NADH produces 2.5 ATP and that each molecule of FADH2 produces 1.5 molecules of ATP during oxidative phosphorylation. Note that GTP is an ATp "equivalent." OA 14.5 OB. 17 OC. 19.5 OD. 20.5
Please answer yes or no and give a short explanation, thank you. 11. Pentosophosphate glucose conversion pathway is the supplier of NADPH (H +) for reductive synthesis. 12. All enzymes of glycolysis and pentose-phosphate pathway are in the cytoplasm. 13. The complete oxidation of one glucose molecule, up to as much as 38 ATP molecules can be formed.
is considered part of aeroof metall *Give an example, taken from digestion, glycolysis, gluconeogenesis or the citric acid cycle of each of the following regulatory mechanisms o for metabolic pathways: feedback inhibition complementary control dividos dje16390solexo to etnuoms pritsuse to 29 dj n geb Isblomple s ewora' euealt Jused pig mort заsdjn -lygiosue nadw.woled awode as Ao02-Iyjobs to no nave asmosed bas dpi od of ejtine evius en a wod nislqxe anoissv19edo 9e9dd to aiasd odd allosterism dw.eesdJnye staadio to yjivijos 9d Sefovo bios bijis 9d 90 10 9361 9dJ 101пoo 9161315 1 00 odd n bobbs ei Ao no .Isbiomph esislupex A00 to noijslupei 101 Isapia adsinqoqqs n eesdaye 9J61Jio 30 noiislupe1 sd 290 to m Soveeld Jised piq ni noijsliqas W hormonal activity Ad-Pantaops zymogen-active enzyme conversion phosphorylation or dephosphorylation Vis din
Hamsters love to run exercise wheels. Prolonged running at a high rate of speed requires ATP. Coulda hamster with a defective gene for the enzyme lactate dehydrogenase meet the extra ATP demand forprolonged, fast wheel-running by maintaining a high rate of glycolysis? Why or why not? -No, not enough NADH can be regenerated for glycolysis to continue at a high rate -No, the defective gene will cause a rapid decline in pH in the muscles used for running -Both A and B -Neither A nor B Which of the following statements is correct? -The ketohexoses have fewer chiral carbon atoms than the aldohexoses -The reaction between one molecule of alcohol and one molecule aldehyde yields an acetal -Both A and B -Neither A nor B
Match with the appropriate choice for each bank.
. In the section dealing with “NAD+ in disease” it is mentioned that metabolomics results indicate that impaired mitochondrial function contributes to some of the mentioned diseases. Which metabolites can potentially accumulate when complex I of the electron transport chain is defective? Use Fig 1 for guidance.
The maximal recovery of energy from oxidation of glucose to CO2 and H2O requires the coordination of the glycolysis, tricarboxylic acid cycle, the electron transport chain and the ATP synthase. During these processes each molecule of glucose generates: 6 molecules of NADH and 1 molecules of FADH2. 10 molecules of NAD* and2 molecules of FADH2. 10 molecules of NADH and 2 molecules of FAD. 10 molecules of NADH and 2 molecules of FADH2. 10 molecules of NAD* and 1 molecules of FADH2.
Match group A with group B
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In between glycolysis and citric acid cycle ATP made: 2 ATP. NADH made: 6 NADH. Pyruvic acid IS converted to a form the citric acid eycle This produces dioxide and molecules of carbon molecules of acetic acid. Acetic acid then combines with Coenzyme A to make Acetyl CoA I