Cellular Respiration: Citric Acid Cycle and Oxidative Phosphorylation

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What are proteins hydrolyzed to during the first stage of food breakdown?

Amino acids

What is the process in which large molecules in food are broken down into smaller units?

Digestion

Which of the following is produced when polysaccharides are hydrolyzed during food breakdown?

Glucose

At which stage of food breakdown is no useful energy captured?

<p>First stage (digestion)</p> Signup and view all the answers

What is the primary role of acetyl CoA in metabolism?

<p>Serving as the main fuel for the final stages of aerobic metabolism</p> Signup and view all the answers

Which small molecules are converted into acetyl CoA during food breakdown?

<p>Sugars, fatty acids, glycerol, and several amino acids</p> Signup and view all the answers

In which stage of food breakdown is a small amount of ATP generated?

<p>Second stage</p> Signup and view all the answers

What role do simple units play in metabolism?

<p>They play a central role in metabolism</p> Signup and view all the answers

What is the final common pathway in the oxidation of fuel molecules?

<p>Citric acid cycle</p> Signup and view all the answers

Which process brings the breakdown products of proteins, sugars, and fats into the citric acid cycle?

<p>Acetyl CoA formation</p> Signup and view all the answers

What is the primary source of acetyl CoA during food breakdown?

<p>Fatty acids</p> Signup and view all the answers

Where does ATP production from the complete oxidation of acetyl CoA occur?

<p>Mitochondrial matrix</p> Signup and view all the answers

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