Anaerobic Glycolysis - Lactic Acid System

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| By Ags2511

Ags2511

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Quizzes Created: 8 | Total Attempts: 21,099

Questions: 7 | Attempts: 497 | Updated: Mar 22, 2023

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Explore the Anaerobic Glycolysis - Lactic Acid System through this focused quiz. Learn about the breakdown of molecules for ATP re-synthesis, glycogen storage, the onset of the lactic acid system during intense exercise, energy yields, and ATP net gains. Essential for students in biochemistry and exercise science.

Questions and Answers

1.

Which molecule is broken down to ensure ATP can be re-synthesised at the completion of the lactic acid system?
2.

Where is the glycogen stored within the body?
3.

When does the lactic acid system begin during intense exercise?
4.

What percentage of energy yield does the glucose molecule produce during the lactic acid system?
5.

What is the glucose - 6 - phosphate downgraded to?
- A.
  
  Citric acid
- B.
  
  Lactic acid
- C.
  
  Pyruvic acid
Correct Answer
C. Pyruvic acid

Explanation
Glucose-6-phosphate is converted into pyruvic acid through a series of reactions known as glycolysis. This process occurs in the cytoplasm of cells and is an important step in cellular respiration. Pyruvic acid can then be further metabolized in the presence of oxygen to produce more energy through the citric acid cycle and oxidative phosphorylation. Lactic acid is produced during anaerobic respiration, while citric acid is a product of the citric acid cycle. Therefore, the correct answer is pyruvic acid.

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6.

What is the nett gain of ATP once the lactic acid system is completed?
- A.
  
  2
- B.
  
  3
- C.
  
  4
- D.
  
  1
Correct Answer
A. 2

Explanation
The net gain of ATP once the lactic acid system is completed is 2. This system is an anaerobic pathway that occurs when there is a lack of oxygen available for energy production. During this process, glucose is broken down into pyruvate, which is then converted into lactic acid. In this process, a total of 4 ATP molecules are produced, but 2 ATP molecules are used in the initial steps, resulting in a net gain of 2 ATP molecules.

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7.

At what stage (if any) does the lactic acid system play a part during golf performance?

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Current Version
Mar 22, 2023

Quiz Edited by
ProProfs Editorial Team
Nov 29, 2011

Quiz Created by
Ags2511

Anaerobic Glycolysis - Lactic Acid System

Which molecule is broken down to ensure ATP can be re-synthesised at the completion of the lactic acid system?

Where is the glycogen stored within the body?

When does the lactic acid system begin during intense exercise?

What percentage of energy yield does the glucose molecule produce during the lactic acid system?

What is the glucose - 6 - phosphate downgraded to?

What is the nett gain of ATP once the lactic acid system is completed?

At what stage (if any) does the lactic acid system play a part during golf performance?