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Energy Production and Storage in Human Muscles

12 Questions

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Energy Production and Storage in Human Muscles

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Questions and Answers

What is the impact of a disturbance in T tubule on muscle fibers activity under load?

Facilitates Myosin ATPases activation

Increases ATP energy production

Impairs calcium system release & re-uptake (correct)

Promotes Glycogenolysis

How does an impaired calcium system release & re-uptake affect muscle fibers activity?

Accelerates Myosin ATPases activity

Enhances Glycolysis efficiency

Reduces ATP production (correct)

Boosts Phosphocreatine synthesis

Which process is reversible by rest, according to the text?

ATP energy consumption

Glycogenolysis activation

Phosphocreatine breakdown

Impaired cat system release & re-uptake (correct)

What is the primary function of Glycogenolysis in muscle fibers?

Facilitate ATP energy production Signup and view all the answers

What is the primary role of ATP in muscle contraction?

To act as an energy donor for contraction Signup and view all the answers

In the context of metabolic reactions, what is the significance of ATP synthesis?

It converts catabolic substrates into useful energy fuels Signup and view all the answers

Which process involves the breakdown of glycogen to provide substrates for the resynthesis of ATP?

Glycogenolysis Signup and view all the answers

What happens to the breakdown products of carbohydrates, fats, and proteins in terms of ATP resynthesis?

They provide substrates for resynthesizing ATP Signup and view all the answers

What is the primary function of Myosin ATPases in muscle cells?

Releasing energy during the power stroke Signup and view all the answers

Which process involves breaking chemical bonds to release energy for the power stroke during muscle contraction?

Phosphocreatine hydrolysis Signup and view all the answers

What is the main purpose of Glycolysis and Glycogenolysis in the context of ATP production?

Providing substrates for Myosin ATPases Signup and view all the answers

What is the function of Phosphocreatine in muscle cells?

Facilitating regeneration of ATP from ADP during high-intensity exercise Signup and view all the answers