Cellular Respiration Phase 2

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Which enzyme catalyzes the phosphorylation of glucose to glucose-6-phosphate in the first step of glycolysis?

Glucose-6-phosphatase

Fructose-1,6-bisphosphatase

Phosphofructokinase

Hexokinase (correct)

What is the net gain of ATP molecules per molecule of glucose during the second phase of glycolysis?

8

4

6

2 (correct)

What is the end product of glycolysis?

Citrate

Acetyl-CoA

Pyruvate (correct)

Lactate

What is the purpose of phosphorylating glucose in the first step of glycolysis?

To activate glucose for further metabolism Signup and view all the answers

What is the function of hexokinases in the first step of glycolysis?

To catalyze the phosphorylation of glucose to glucose-6-phosphate Signup and view all the answers

What is the gain of NADH molecules during the second phase of glycolysis?

4 Signup and view all the answers

What is the purpose of converting two molecules of glyceraldehyde-3-phosphate during the second phase of glycolysis?

To produce pyruvate Signup and view all the answers

What is the purpose of gaining 4 ATP molecules during the second phase of glycolysis?

To produce energy Signup and view all the answers

What is the purpose of phosphorylating glucose in the first step of glycolysis?

To activate glucose into a form that can be further metabolized Signup and view all the answers

What is the function of tissue-specific isoenzymes - hexokinases in the first step of glycolysis?

To convert glucose into an anion that can not be transported out of the cell Signup and view all the answers

What is the net gain of NADH molecules per molecule of glucose during the second phase of glycolysis?

4 Signup and view all the answers

What is the end product of glycolysis?

Pyruvate Signup and view all the answers

Cellular Respiration Phase 2

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Questions and Answers

Which enzyme catalyzes the phosphorylation of glucose to glucose-6-phosphate in the first step of glycolysis?

What is the net gain of ATP molecules per molecule of glucose during the second phase of glycolysis?

What is the end product of glycolysis?

What is the purpose of phosphorylating glucose in the first step of glycolysis?

What is the function of hexokinases in the first step of glycolysis?

What is the gain of NADH molecules during the second phase of glycolysis?

What is the purpose of converting two molecules of glyceraldehyde-3-phosphate during the second phase of glycolysis?

What is the purpose of gaining 4 ATP molecules during the second phase of glycolysis?

What is the purpose of phosphorylating glucose in the first step of glycolysis?

What is the function of tissue-specific isoenzymes - hexokinases in the first step of glycolysis?

What is the net gain of NADH molecules per molecule of glucose during the second phase of glycolysis?

What is the end product of glycolysis?

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