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The Chemistry of Life: Importance of Water in Biology

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The Chemistry of Life: Importance of Water in Biology

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Questions and Answers

Water is not important for living organisms

False (B)

Life began in water and evolved there for 3 billion years before spreading to land

True (A)

Our bodies do not need water to carry out basic functions like digestion, excretion, respiration, and circulation

False (B)

Water makes up over 60% of the whole human body

True (A) Signup and view all the answers

Water is not vital to microorganisms

False (B) Signup and view all the answers

What percentage of the whole human body is water?

80% (B) Signup and view all the answers

Which process combines smaller molecules and requires energy?

Anabolism (A) Signup and view all the answers

What is the chemical formula of water?

H2O (C) Signup and view all the answers

Which process involves the formation of oxygen and organic compounds from water and carbon dioxide?

Photosynthesis (D) Signup and view all the answers

What is the biological significance of water in living organisms?

It is essential for metabolic processes (D) Signup and view all the answers