Cellular Energy Metabolism: ATP and Energy Transfer

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What is the immediate source of energy for muscle contraction?

Glycolysis

ATP (correct)

Anaerobic Metabolism

Oxidative Phosphorylation

What percentage of energy usage does protein account for during prolonged exercise?

5%

20%

15%

10% (correct)

What is the term for the production of ATP using oxygen as the final electron acceptor?

Aerobic Metabolism (correct)

Anaerobic Metabolism

Oxidative Phosphorylation

Glycolysis

What are the two anaerobic metabolic pathways that produce ATP without oxygen?

ATP-PC system and Glycolysis Signup and view all the answers

What is the enzyme responsible for degrading ATP?

ATPase Signup and view all the answers

What is the source of energy that originates from the sun?

Solar Energy Signup and view all the answers

What is the primary function of ATP in the living cell?

To facilitate the transfer of free energy from exergonic to endergonic processes Signup and view all the answers

What is the approximate rate of ATP turnover in humans?

Equal to the body weight every 24 hours Signup and view all the answers

What is the primary source of energy for muscle contraction?

Adenosine triphosphate (ATP) Signup and view all the answers

What is the duration of maximum muscle power provided by the phosphagen system?

8-10 seconds Signup and view all the answers

What is the name of the metabolic system that involves the breakdown of glucose to produce ATP?

Glycogen lactic acid system Signup and view all the answers

What is the type of bond that attaches the last two phosphate radicals to the ATP molecule?

High-energy phosphate bond Signup and view all the answers

What is the primary source of energy for human beings?

Plants and other animals Signup and view all the answers

What is the purpose of metabolic respiration?

To supply energy for biological processes Signup and view all the answers

What is the byproduct of food breakdown in the presence of oxygen?

Carbon dioxide and water Signup and view all the answers

What is the role of ATP in the human body?

To facilitate muscle contraction and nerve conduction Signup and view all the answers

What is the process by which green plants manufacture their own food?

Photosynthesis Signup and view all the answers

What are the three components of ATP?

Adenine, ribose, and phosphates Signup and view all the answers