Glycolysisa. is the breakdown of glucose to two pyruvate molecules.b. requires the input of two ATP molecules.c. produces two NADH molecules.d. does not require O2.e. All of these are correct.
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Glycolysis
a. is the breakdown of glucose to two pyruvate molecules.
b. requires the input of two ATP molecules.
c. produces two NADH molecules.
d. does not require O2.
e. All of these are correct.
Glucose is an important source of energy in the cells. The carbohydrates in the diet are converted to glucose to produce energy.
In the plant cells, glucose is stored in the form of starch. In animal cells, glucose is stored in the form of glycogen. These storage forms ensure to provide energy when the glucose is deprived during starvation.
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- Which of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of NADH + Ht c.Citric acid formation d.Conversion of pyruvic acid to acetaldehydeWhat happens during glycolysis, the first stage of cellular respiration? A. Glucose is broken down gradually via several enzyme-controlled steps. B. All of these C. A small amount of ATP is produced D. NADH, an electron carrier is produced E. Glucose is split to form two molecules of pyruvateWhen unlimited energy (glucose = 100 and fat = 100) is available and pyruvate processing is inhibited (100%), the electron transport chain (ETC) runs at a _________ rate. a,Low (1 - 30%) b, Stops (1% or less) c, Moderate (31 - 70%) d, High (71 - 100%)
- The glucose that enters the glycolysis pathway is split into two molecules of _____. a. ATP b. phosphate c. NADH d. pyruvateWhich of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATPNADH is produced during Select one: a. All of them b. The oxidation of pyruvate c. The citric acid cycle d. Glycolysis
- If the enzyme that catalyzed the reaction that converts pyruvate to acetyl-CoA and carbon dioxide is inhibited: a. the production of ATP would decreases but the production of electron carriers would be unaffected b. the concentration of pyruvate would decrease c. the citric acid cycle will not be affected d. ATP production in the electron transport chain/oxidative phosphorylation will increase e. the concentration of acetyl Co A would decreaseWhich of the following are the final by-products of glucose oxidation during aerobic cellular respiration? A. carbon dioxide and water only B. ATP, heat, carbon dioxide, and water C. heat only D. both ATP and heat only E. ATP onlyThe final net products of ________ are 2 molecules of ATP and 2 NADH. a. pyruvate oxidation b. the citric acid cycle c. glycolysis
- The first half of glycolysis is referred to as the preparatory or investment phase because it involves: (Select all that apply!) a) formation of NADH b) conversion of glucose to pyruvate c) formation of G3P d) consumption of ATPIf glucose was no longer available, electron transport activity chain would: a. decrease b. increase c. remain the sameThe “aerobic” part of aerobic cellular respiration occurs during (a) glycolysis (b) the conversion of pyruvate to acetyl CoA (c) the citric acid cycle (d) electron transport (e) all the preceding are aerobic processes