Question 1

Within a living cell, the oxidation of one molecule is always coupled with the simultaneous _________ of another molecule. Which process best describes this relationship?

Accepted Answer

reduction

Question 2

During the transitional step between glycolysis and the Krebs cycle, which of the following occurs?

Accepted Answer

Pyruvate is converted to acetyl-CoA

Question 3

Essential amino acids are those that:

Accepted Answer

Must be obtained from the diet because the body cannot synthesize them

Question 4

In fatty acid metabolism, which molecule enters the Krebs cycle?

Accepted Answer

Acetyl-CoA

Question 5

Which hormone stimulates gluconeogenesis?

Accepted Answer

Glucagon

Question 6

The electron transport chain is a stepwise release of energy for the generation of which molecule?

Accepted Answer

ATP

Question 7

Body temperature is ultimately regulated by which structure?

Accepted Answer

Hypothalamus

Question 8

Which of the following is an example of anabolism?

Accepted Answer

The synthesis of proteins from amino acids

Question 9

The major regulator of Basal Metabolic Rate (BMR) is:

Accepted Answer

Thyroid hormone

Question 10

Too high a core body temperature can be fatal because it causes:

Accepted Answer

Denaturation of proteins

Question 11

When you touch a cool object, you lose heat by which process?

Accepted Answer

Conduction

Question 12

A coupled chemical reaction that directly transfers a high energy phosphate group from a substrate to ADP, producing ATP, is called:

Accepted Answer

Substrate-level phosphorylation

Question 13

As a result of glycolysis, there is a net gain of how many ATP molecules per glucose?

Accepted Answer

$$2$$

Question 14

For every glucose molecule metabolized aerobically, how many $$CO_2$$ molecules are produced?

Accepted Answer

$$6$$

Question 15

In which cellular component does glycolysis occur?

Accepted Answer

Cytoplasm

Question 16

Acetone, acetoacetic acid, and beta-hydroxybutyric acid are collectively known as:

Accepted Answer

Ketone bodies

Question 17

Before amino acids can enter the Krebs cycle, they must undergo which process?

Accepted Answer

Deamination

Question 18

During the postabsorptive state, when we exercise, the anaerobically produced lactic acid is carried to the liver for which process?

Accepted Answer

Conversion to glycogen (Cori cycle)

Question 19

Which series in the cellular respiration process uses oxygen in the last reaction of the series?

Accepted Answer

Electron transport chain

Question 20

A patient with a vitamin D deficiency is most likely to develop which condition?

Accepted Answer

Rickets

Metabolism and Energy Regulation Study Guide – Anatomy & Physiology

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