Multiple Choice
Which of the following is not a part of photosynthesis?
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12. Photosynthesis
Overview of Photosynthesis
Multiple Choice
In the context of photosynthesis, how are chloroplasts like solar panels?
A
They capture light energy and convert it into usable chemical energy that can power cellular processes.
B
They pump water out of the cell to maintain osmotic balance using ion channels.
C
They directly break down glucose to release energy in the form of ATP.
D
They store genetic information and control cell division using DNA replication.
Verified step by step guidance1
Step 1: Understand the role of chloroplasts in photosynthesis. Chloroplasts are organelles found in plant cells and some protists that capture light energy from the sun.
Step 2: Recognize that solar panels capture sunlight and convert it into electrical energy, which can be used to power devices. Similarly, chloroplasts convert light energy into chemical energy.
Step 3: Identify the chemical energy produced by chloroplasts as ATP and NADPH during the light-dependent reactions of photosynthesis, which are then used to synthesize glucose in the Calvin cycle.
Step 4: Compare the function of chloroplasts to solar panels by noting that both systems transform solar energy into a usable form of energy that powers further processes—chloroplasts power cellular activities by providing chemical energy.
Step 5: Eliminate incorrect options by understanding that chloroplasts do not pump water out of cells, do not directly break down glucose for ATP (that is the role of mitochondria), and while they contain DNA, their primary function is not controlling cell division.
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