5 Questions
What is photosynthesis?
Photosynthesis is a biological process used by many cellular organisms to convert light energy into chemical energy, which is stored in organic compounds that can later be metabolized through cellular respiration to fuel the organism's activities.
What are the byproducts of oxygenic photosynthesis?
Oxygen and carbohydrate molecules such as sugars, starch, glycogen, and cellulose are the byproducts of oxygenic photosynthesis.
What are organisms that perform photosynthesis called?
Organisms that perform photosynthesis are called photoautotrophs.
What is the role of photosynthesis in the Earth's atmosphere?
Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere, and supplies most of the biological energy necessary for complex life on Earth.
What is the alternative form of photosynthesis performed by some bacteria?
Some bacteria perform anoxygenic photosynthesis, which uses bacteriochlorophyll to split hydrogen sulfide as a reductant instead of water, and sulfur is produced as a byproduct instead of oxygen.
Test your knowledge of the biological process by which organisms convert light energy into chemical energy, producing oxygen as a byproduct and storing chemical energy in organic compounds. Explore the key concepts of photosynthesis and its significance in the ecosystem.
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