Biology: Photosynthesis Overview

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Questions and Answers

What is the minimum number of molecules of CO2 required for the light-independent reactions to occur?

  • Two
  • Multiple
  • One (correct)
  • Six

What is the product of the reaction that combines two three-carbon sugars?

  • Glucose
  • Cellulose
  • Fructose
  • A six-carbon sugar (correct)

What is the role of enzymes in photosynthesis?

  • To synthesize water
  • To facilitate chemical reactions (correct)
  • To convert CO2 into glucose
  • To absorb light energy

What is the ultimate purpose of photosynthesis in plants?

<p>To build starch and cellulose molecules (D)</p> Signup and view all the answers

What is the relationship between photosynthesis and plant growth?

<p>Photosynthesis is necessary for plant growth (B)</p> Signup and view all the answers

What is the significance of oxygen as a product of photosynthesis?

<p>Its importance will be discussed in Sections 4.4 and 4.5 (C)</p> Signup and view all the answers

What is the primary energy source for the light-dependent reactions?

<p>Light (A)</p> Signup and view all the answers

What is the role of chloroplasts in photosynthesis?

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

What is the term for the reactions that occur in the thylakoid?

<p>Light-dependent reactions (B)</p> Signup and view all the answers

What is the overall energy profile of photosynthesis?

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

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