Carbohydrate metabolism reading 2 Flashcards

1
Q

Based on their structure, glucose, galactose and fructose are from the group of carbohydrates called ______.

A

monosaccharides

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2
Q

The chains of glucose molecules that serve as short-term energy storage in muscle and liver are called ______ molecules.

A

glycogen

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3
Q

Glycolysis occurs in the…of the cell

A

cytoplasm

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4
Q

How many ATP molecules are used in glycolysis?

A

2

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5
Q

What molecule serves as a short-term storage molecule for glucose?

A

Glycogen

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6
Q

During the steps of glycolysis, ______ ATPs, ______ NADHs, and ______ molecules of pyruvate are produced.

A

4, 2, 2

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7
Q

The first phase of glycolysis involves ______.

A

breaking glucose into two separate molecules

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8
Q

The adding of a phosphate group to a molecule is ______.

A

phosphorylation

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9
Q

In the last four steps of glycolysis, ______ occurs. Select all that apply.

A

production of pyruvic acid

production of ATP

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10
Q

Identify the activities that are part of glycolysis. Select all that apply.

A

Use of ATP molecules

Production of ATP

NADH production

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11
Q

After the sugar is cleaved in glycolysis, what molecule is reduced by gaining two electrons?

A

NAD+

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12
Q

The process of converting lactic acid to glucose is called the…cycle.

A

Cori

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13
Q

After glycolysis is complete, which of the following are possible fates for the two molecules of pyruvic acid in humans? Select all that apply.

A

Aerobic respiration

Lactate fermentation

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14
Q

What happens in the Cori cycle?

A

Lactic acid is converted to glucose.

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15
Q

Lactic acid is converted back into pyruvate in the ______.

A

liver

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