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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. A metabolic reaction performed in a test-tube (in vitro) is
  • a)
    Living reaction
  • b)
    Non-living reaction
  • c)
    Both (A) and (B)
  • d)
    None of the above
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
All living organisms are made of chemicals. These chemicals are const...
Metabolic reactions can be demonstrated outside the body in cell-free systems. An isolated metabolic reaction(s) outside the body of an organism, performed in a test tube is neither living nor non-living but surely living reactions.
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Most Upvoted Answer
All living organisms are made of chemicals. These chemicals are const...
Explanation:

Metabolic reactions are the chemical reactions that occur inside living organisms. These reactions are responsible for the conversion of chemicals into biomolecules. Therefore, a metabolic reaction performed in a test-tube (in vitro) is still considered a living reaction because the reaction is mimicking the same chemical process that occurs inside a living organism.

Metabolic Reactions:

Metabolic reactions are the chemical reactions that occur inside living organisms. These reactions are responsible for the conversion of chemicals into biomolecules. There are thousands of metabolic reactions occurring simultaneously inside all living organisms, be they unicellular or multicellular.

Types of Metabolic Reactions:

- Catabolic Reactions: These reactions break down complex molecules into simpler ones, releasing energy in the process.
- Anabolic Reactions: These reactions build complex molecules from simpler ones, consuming energy in the process.

Examples of Metabolic Reactions:

- Photosynthesis: This is an anabolic reaction in plants that converts sunlight, carbon dioxide, and water into glucose and oxygen.
- Cellular Respiration: This is a catabolic reaction that occurs in all living organisms, where glucose is broken down into energy (ATP) and carbon dioxide.

Conclusion:

In conclusion, a metabolic reaction performed in a test-tube is still considered a living reaction because the reaction is mimicking the same chemical process that occurs inside a living organism. These reactions are responsible for the conversion of chemicals into biomolecules and occur in all living organisms.
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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. A metabolic reaction performed in a test-tube (in vitro) isa)Living reactionb)Non-living reactionc)Both (A) and (B)d)None of the aboveCorrect answer is option 'A'. Can you explain this answer?
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