s2) The first step of glycolysis is A) dephosphorylation of glucose. C) condensa
ID: 216549 • Letter: S
Question
s2) The first step of glycolysis is A) dephosphorylation of glucose. C) condensation of glucose to lactate. B) d amination of glucose. D) phosphorylation of glucose 82) 83) What is the end product after glucose undergoes glycolysis? A) pyruvate C) glucagorn 83) B) maltose D) glucose-6-phosphate 84) The glycolysis of glucose occurs in which cellular component? 84) A) cytosol C) nucleus B) intercellular fluid D) mitochondrion 85) In the absence of oxygen, pyruvate is converted to 85) A) acetyl CoA. C) phosphoenolpyruvate B) lactic acid. D) citrate. 86) Which of the following cells rely on anaerobic metabolism ior adenosine triphosphate (ATP)86) production? A) liver cells C) epidermal cells Bi neurons D) red blood cells 87) 88) 89) 87) How many ATP are produced in anaerobic glycolysis from one pyruvate molecule? D) 3 A) 0 B)1 C)2 88) When oxygen is plentiful, pyruvate from glucose is converted to A) acetyl CoA. B) fatty acid. D) lactic acid. 89) Which molecule is common to the metabolism of carbohydrates, fatty acids, amino acids, and alcohol? A) carnitine C) phosphofructokinase B) hexokinase D) acetyl CoA 90) 90) The tricarboxylic acid (TCA) cycle is a continuous loop of how many metabolic reactions? D) 11 B) 8 C)4 A) 21Explanation / Answer
82.D phosphorylation of glucose.
Glucose is phosphorylated to form glucose - 6 phosphate.
83.A pyruvate
Glycolysis converts glucose into pyruvate.
84.C cytosol
Glycolysis occurs in most of the organisms in the cytosol of the cell.
85.B Lactic acid
In the absence of oxygen glucose is converted into L-lactate.
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