NMDD221 Questions and Correct Answers
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Physical Activity
✓ any bodily movement produced by skeletal muscles that results in energy expenditure
Exercise
✓ International physical activity that is planned, structured, repetitive and purposive.
Physical activity that is planned and carried out to sustain or improve health and fitness
Sport
✓ A physical activity involving physical exertion and skill in which an individual or team
completes against another or others for entertainment
When ATP breaks down, the products of this reaction are ADP, Pi and energy
✓ True
The breakdown of ATP to release energy is an example of a hydrolysis reaction
✓ True
The resynthesis of ATP from ADP and inorganic phosphate releases energy
✓ False
The resynthesis of ATP from ADP and inorganic phosphate is known as rephosphorylation
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✓ True
What are 3 energy systems that are used in the cells to resynthesise ATP
✓ 1. ATP-PC system
✓ 2. Anaerobic glycolysis
✓ 3. Aerobic system
Which of the following is incorrect?
✓ The energy systems operate one at a time, if one is switched on the others are switched
off
Creatine phosphate
✓ Speed of action: very fast
✓ Duration of action: very short
✓ Amount of ATP replenished: very small
Anaerobic glycolysis
✓ Speed of action: fast
✓ Duration of action: short
✓ Amount of ATP replenished: small
Oxidative phosphorylation
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