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Photosynthesis Basics

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Questions and Answers

What is the main purpose of photosynthesis?

To store energy in carbohydrate molecules (correct)

To convert chemical energy into light energy

To produce oxygen as a byproduct

To fuel the organism's activities

What is produced as a byproduct in anoxygenic photosynthesis?

Water

Oxygen

Carbon dioxide

Sulfur (correct)

Which organisms perform photosynthesis?

Protozoa

Animals

Fungi

Plants, algae, and cyanobacteria (correct)

What is used as a reductant in anoxygenic photosynthesis?

Hydrogen sulfide Signup and view all the answers

Apart from oxygenic photosynthesis, which other type of photosynthesis is mentioned in the text?

Non-carbon-fixing anoxygenic photosynthesis Signup and view all the answers

What is the primary function of photosynthesis?

To produce organic compounds for energy storage Signup and view all the answers

Which organisms are called photoautotrophs due to their ability to perform photosynthesis?

Algae and cyanobacteria Signup and view all the answers

What do some bacteria use as a reductant in anoxygenic photosynthesis?

Hydrogen sulfide Signup and view all the answers

In anoxygenic photosynthesis, which pigment is used to absorb green light and power proton pumps?

Retinal and microbial rhodopsin derivatives Signup and view all the answers

What is produced as a byproduct in oxygenic photosynthesis?

Oxygen Signup and view all the answers