ATP and Energy Systems Quiz

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Questions and Answers

What is the by-product of the breakdown of glucose without oxygen in the lactic acid system?

  • Carbon dioxide
  • Lactic acid (correct)
  • Heat
  • Water

How long does it take to fully restore ATP/PC supplies during recovery?

  • 10 seconds
  • 2 hours
  • 30 minutes
  • 2 minutes (correct)

In the aerobic system, what is the fuel source after carbohydrates are depleted?

  • Water
  • Glycogen
  • ATP
  • Proteins (correct)

Which system is able to sustain long-duration activities without large amounts of glycogen needed in one go?

<p>Aerobic system (C)</p> Signup and view all the answers

What is the primary fuel source in the lactic acid system?

<p>Glycogen (B)</p> Signup and view all the answers

Which compound is responsible for storing and transferring energy to body cells?

<p>Adenosine triphosphate (ATP) (B)</p> Signup and view all the answers

What happens when the last phosphate of the ATP compound detaches?

<p>Energy is released from the bonds (A)</p> Signup and view all the answers

Which system is a rapid energy pathway used during high-intensity activities without producing lactic acid?

<p>Alactacid system (ATP/PC) (D)</p> Signup and view all the answers

What component facilitates the transfer of a phosphate group from creatine phosphate (CP) back to ADP?

<p>Creatine phosphate (CP) (A)</p> Signup and view all the answers

What molecule is held together by energy bonds in ATP, providing storage for movement energy?

<p>Phosphate (P) (B)</p> Signup and view all the answers

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Study Notes

Lactic Acid System

  • By-product of glucose breakdown without oxygen is lactic acid.
  • Primary fuel source in the lactic acid system is glucose.
  • The system is utilized during high-intensity activities, but notably produces lactic acid.

ATP/PC Supplies

  • Full restoration of ATP/PC supplies during recovery takes several minutes, specifically around 3-5 minutes for optimal replenishment.

Aerobic System

  • After carbohydrates are depleted in the aerobic system, fats become the main fuel source, allowing continued energy production.

Sustained Energy Activities

  • The aerobic system is capable of sustaining long-duration activities without requiring large amounts of glycogen at once, providing endurance.

Energy Storage and Transfer

  • ATP (adenosine triphosphate) is the compound responsible for storing and transferring energy to body cells.
  • When the last phosphate group detaches from ATP, it converts into ADP (adenosine diphosphate), releasing energy for cellular work.

Rapid Energy Pathway

  • The phosphagen system is a rapid energy pathway used during high-intensity activities, which operates without producing lactic acid.

Phosphate Group Transfer

  • The transfer of a phosphate group from creatine phosphate (CP) to ADP is facilitated by the enzyme creatine kinase.

Energy Bonds in ATP

  • In ATP, energy is held in high-energy bonds, providing an essential storage mechanism for energy required for muscle contraction and movement.

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