Exercise Physiology | BCAA Catabolism: The Basics

Exercise Physiology | BCAA Catabolism: The Basics

Assessment

Interactive Video

Science, Biology, Chemistry

University

Hard

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The video tutorial explains the catabolism of branched-chain amino acids (BCAAs) - valine, isoleucine, and leucine. It covers their role in protein synthesis, the liver's function in amino acid balance, and the unique role of skeletal muscle in BCAA degradation. The process of BCAA transport and catabolism in mitochondria is detailed, highlighting the production of energy through the TCA cycle. Additionally, the video discusses how BCAAs, particularly leucine, stimulate muscle protein synthesis, beneficial for muscle growth and strength post-resistance training.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the three branch chain amino acids (BCAAs) mentioned in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the role of the liver in amino acid catabolism.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the function of the enzyme branch chain amino acid transaminase?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the process that occurs when alpha ketoacids are transported into the mitochondrial matrix.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the end products of valine, isoleucine, and leucine catabolism?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How do the end products of BCAA catabolism enter the TCA cycle?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What additional role do BCAAs, particularly leucine, play in skeletal muscle?

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