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All living organisms are made of chemicals. These chemicals are constantly being made and changed into some other biomolecules. These conversions of chemicals into biomolecules are called chemical reactions or metabolic reactions. There are thousands of metabolic reactions occurring simultaneously inside all living organisms, be they unicellular or multicellular. All plants, animals, fungi and microbes exhibit metabolism.
Q. An example of anabolic reaction is
  • a)
    Respiration
  • b)
    Photosynthesis
  • c)
    Digestion
  • d)
    Both (A) and (C)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
All living organisms are made of chemicals. These chemicals are const...
Photosynthesis is an anabolic process during which plants use energy from sunlight to convert carbon dioxide gas and water into sugar molecules. Respiration is a catabolic process during which glucose is broken down to release usable energy for a cell. Digestion is also catabolic reaction as it involves the breakdown of complex nutrients into simpler molecules.
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Most Upvoted Answer
All living organisms are made of chemicals. These chemicals are const...
Respiration is amphibolic (ana+cata bolic)
Photosynthesis is anabolic (synthesis of glucose)
Digestion is catabolic(breakdown of complex food)
Community Answer
All living organisms are made of chemicals. These chemicals are const...
Anabolic Reaction:
Anabolic reactions are metabolic reactions that involve the synthesis of complex molecules from simpler ones. These reactions require energy input and are responsible for the growth, repair, and maintenance of cells and tissues. They are essential for building biomolecules such as proteins, nucleic acids, carbohydrates, and lipids.

Anabolic reactions play a crucial role in an organism's overall metabolism. They are responsible for the production of new molecules needed for various biological functions. Let's understand why option B, photosynthesis, is an example of an anabolic reaction.

Photosynthesis:
Photosynthesis is the process by which green plants, algae, and some bacteria convert sunlight, water, and carbon dioxide into glucose and oxygen. It is an anabolic reaction because it involves the synthesis of glucose, a complex carbohydrate, from simpler molecules.

Process of Photosynthesis:
1. Absorption of sunlight: Chlorophyll, the green pigment present in chloroplasts, absorbs sunlight.
2. Light-dependent reactions: Sunlight energy is used to split water molecules into oxygen and hydrogen ions. This process occurs in the thylakoid membrane of the chloroplasts.
3. Calvin cycle (light-independent reactions): The hydrogen ions and carbon dioxide are used to synthesize glucose in a series of enzymatic reactions. This process occurs in the stroma of the chloroplasts.
4. Oxygen release: Oxygen produced during photosynthesis is released into the atmosphere as a byproduct.

Significance of Photosynthesis:
Photosynthesis is vital for the survival of plants, algae, and some bacteria. It is the primary source of energy for most ecosystems on Earth. The glucose produced during photosynthesis is used as a fuel to carry out cellular respiration, which releases energy for various cellular activities.

Conclusion:
In conclusion, anabolic reactions involve the synthesis of complex molecules from simpler ones. Photosynthesis is an example of an anabolic reaction as it involves the synthesis of glucose, a complex carbohydrate, from simpler molecules such as water and carbon dioxide. This process is essential for the growth and survival of plants and plays a crucial role in maintaining the balance of ecosystems.
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All living organisms are made of chemicals. These chemicals are constantly being made and changed into some other biomolecules. These conversions of chemicals into biomolecules are called chemical reactions or metabolic reactions. There are thousands of metabolic reactions occurring simultaneously inside all living organisms, be they unicellular or multicellular. All plants, animals, fungi and microbes exhibit metabolism.Q. An example of anabolic reaction isa)Respirationb)Photosynthesisc)Digestiond)Both (A) and (C)Correct answer is option 'B'. Can you explain this answer?
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