select the correct statement regarding photosynthesis. multiple choice light - independent reactions produce…

select the correct statement regarding photosynthesis. multiple choice light - independent reactions produce atp. light - independent reactions require the action of photosynthetic pigments. light - dependent reactions produce glucose. light - dependent reactions are catabolic.

select the correct statement regarding photosynthesis. multiple choice light - independent reactions produce atp. light - independent reactions require the action of photosynthetic pigments. light - dependent reactions produce glucose. light - dependent reactions are catabolic.

Answer

Brief Explanations:

  1. In photosynthesis, light - independent reactions (Calvin cycle) use ATP and NADPH from light - dependent reactions to fix carbon and produce glucose, not produce ATP. So the first option is incorrect.
  2. Light - independent reactions do not directly require photosynthetic pigments which are mainly involved in capturing light energy in light - dependent reactions. So the second option is incorrect.
  3. Light - dependent reactions produce ATP, NADPH and release oxygen, not glucose. Glucose is produced in light - independent reactions. So the third option is incorrect.
  4. Catabolic reactions break down molecules to release energy. Light - dependent reactions involve the breakdown of water molecules and the production of energy - carrying molecules (ATP and NADPH), which can be considered catabolic in nature as they involve the breakdown of starting materials to release and transfer energy.

Answer:

Light - dependent reactions are catabolic.