Ans 25 a) function as coenzymes
These coenzymes get directly involved in the functioning of the biochemical reactions of our body and get chemically altered in them. They also play an important role in the metabolism of carbohydrates , proteins and fats and help to release the energy from them.
2 NAD NADII and FAD/TADHa s bo (a) function as coenaymes b) ageats to anfer elesrons...
10. What is the relationship between anabolic and catabolic pathways? A. Anabolic pathways create complex molecules using the energy from catabolic pathways. B. Anabolic and catabolic pathways are interchangeable. C. Catabolic pathways create complex molecules using the energy from Anabolic pathways. D. Molecules broken down by anabolic pathways provides energy for catabolic pathways. Cellular respiration 11. Which of the following statements about NAD+ is true? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle....
This is a biochemistry question i need answers to 6-12 What is the purpose of fermentation of pyruvate to lactate or ethanol? to produce additional ATP to provide a precursor for lactose synthesis to regenerate NAD* for glycolysis to prevent pyruvate from entering the TCA cycle none of the above Pyruvate kinase catalyzes what reaction? conversion of phosphoenol-pyruvate to pyruvate phosphorylation of pyruvate to 3-phosphoglycerate conversion of pyruvate to acetaldehyde and CO_2 conversion of pyruvate to lactate conversion of pyruvate...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH + H^+ rightarrow Lactate + NAD^+ A. oxygen B. NADH+H^+ C. NAD^+ D. lactate E. pyruvate Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's A. entropy B. heat content. C. activation energy. D. endothermic level. E. free-energy content. What does the chemiosmotic process in mitochondria involve? A. establishment of a proton gradient...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate decarboxylase None of the above are correct e. 12. The first reaction of the Krebs cycle combines Oxaloacetate and Acetyl CoA to make Citrate b. a. Malate and NADH to make Citrate a-ketoglutarate and citrate to make CO2 d. c- Succinate and Citrate to make Oxaloacetate 13. The electrons held by NADH and FADH, are donated to the which complexes in the ETC respectively?...
The product of the complete oxidation of carbon in the TCA cycle is: a. oxaloacetate b. acetyl coa c. citrate d. CO2 e. None of the above In addition to glucose which of the following sugars can enter glycosis a. celobiose b. ribose c. galactose d. b & c e. all of the above In anaerobic metabolism, what is the fate of pyruvate produced by glycolysis a. converted to ethanol b. converted to lactate c. converted to acetyl-COA d. a...
please help me answer questions 27 to 30. thank you 27) Glycolysis converts A) polysaccharides to glucose B) glucose to pyruvate, which is the metabolized to acetyl Co C) fatty acids to thioesters, which are the metabolized to acetyl COA D) amino acids to ren 20) How much ATP results from the transformation of one glucose molecule to two (2) molecules of acetyl COA? Al 2 ATP molecules B) SATP molecules C) 12 ATP molecules D) 20 ATP molecules 29)...
Glycolysis, fatty acid oxidation, and amino acid degradation can generate which intermediate, common to all hree catabolic pathways, which is a substrate for citrate synthase, the first step in the citric acid cycle a. oxaloacetate b. pyruvate c. ATP d. NAPH e. Acetyl-coa
) the system's entropy D) the cell's energy equilibrium E) the heat content of a chemical system In the presence of oxygen, the three-carbon however, the pyruvate (1) loses a carbon, which is given off as a m compound called acetate, and (3) is bonded to coenzyme A. compound pyruvate can be catabolized in the citric acid cycle. First, olecule of CO2, (2) is oxidized to form a two-carbon 10) These three steps result in the formation of 10) A)...
Please help and explain answers! 1. In a series of chemical reactions, glucose is first converted into __________. a) pyruvate b) glycerol c) acetyl CoA 2. In the process of glycose breaking down, hydrogen and electrons are carried by coenzymes made from the ___. a) B vitamin biotin b) B vitamin niacin c) vitamin thiamine 3. In the Cori Cycle, the conversion of lactate to glycose by anaerobic glycolysis in the muscle requires energy from ___________. a) acetyl CoA b)...
Which of the following statements regarding catabolic pathways are true? 1. When proteins are used as a source of energy for the body, the proteins are first broken down to produce amino acids, which are then converted into either glyceraldehyde 3 phosphate or acety CoA The enzyme phosphofructokinase is subject to allostericinhibition by high levels of citric acid When acety CoA builds up in the call it increases the activity of the enzyme that synthesizes oxalacetato from pyruvate and carbon...