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Understanding Biomolecules Quiz

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Questions and Answers

What is the chemical definition of Carbohydrates?

Compounds that produce aldehydes or ketones on hydrolysis

Substances that taste sweet and have no specific chemical definition

Polyhydroxy alcohols or aldehydes that remain unchanged on hydrolysis

Molecules that produce hydroxy aldehydes or ketones on hydrolysis (correct)

What is the major function of Carbohydrates in living organisms?

Protection against infections

Energy production (correct)

Regulation of body temperature

Formation of major structural components

Which class of biomolecules makes up around 50% of the cellular dry weight?

Nucleic acids

Lipids

Proteins (correct)

Carbohydrates

What is the chemical nature of proteins?

Polymers of amino acids Signup and view all the answers

Which component is considered an important structural fiber for plants?

Cellulose Signup and view all the answers

What is the main function of nucleic acids?

Transfer genetic information Signup and view all the answers

Which protein allows movement by contraction of muscles?

Myosin Signup and view all the answers

What is the structural classification of proteins based on the folding complexity of a polypeptide chain?

Primary, secondary, tertiary, and quaternary Signup and view all the answers

Which of the following is a major nitrogenous base found in DNA?

Adenine Signup and view all the answers

What is the primary characteristic that distinguishes lipids from other biomolecules?

Insolubility in water Signup and view all the answers