ATP-ADP Cycle and Cellular Energy Processes

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Questions and Answers

What is the main energy source for the majority of cellular functions?

  • ADP
  • Phosphate
  • H2O
  • ATP (correct)

What is the process of attaching phosphate to ADP to produce ATP called?

  • Respiration
  • Phosphorylation (correct)
  • Hydrolysis
  • Condensation

What type of reactions are exergonic reactions?

  • Energy-releasing (correct)
  • Energy-demanding
  • Non-spontaneous
  • Spontaneous

Where does the majority of ATP production take place?

<p>Electron Transport Chain (ETC) (A)</p> Signup and view all the answers

How do cells manage energy resources for doing work?

<p>By energy coupling, using exergonic processes to drive endergonic ones (B)</p> Signup and view all the answers

What is the role of chloroplasts in photosynthesis?

<p>To absorb energy from the sun (C)</p> Signup and view all the answers

Which molecule is used as an energy carrier in both photosynthesis and cellular respiration?

<p>NADPH+ (D)</p> Signup and view all the answers

Where does anaerobic respiration occur?

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

Which components make up a molecule of adenosine triphosphate (ATP)?

<p>Nitrogenous base, sugar, phosphate groups (A)</p> Signup and view all the answers

What is the role of adenosine triphosphate (ATP) in the cell?

<p>Supplying energy to cell processes (D)</p> Signup and view all the answers

What happens when a phosphate group is removed from ATP?

<p>ATP becomes ADP and releases energy (B)</p> Signup and view all the answers

How is ATP replenished after it becomes ADP?

<p>By adding a phosphate group to ADP (C)</p> Signup and view all the answers

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