Question

question 7

what are the four biomolecules?

carbohydrates, lipids, nucleic acids and proteins
carbohydrates, lipids, deoxyribose nucleic acids, steroids
lipids, steroids, hydrogen dioxide, proteins
proteins, lipids, deoxyribose nucleic acid, hydrogen dioxide

Explanation:

Identify the four major classes of biological macromolecules

The four primary categories of biomolecules essential for life are carbohydrates, lipids, proteins, and nucleic acids.

Evaluate the given options

• Option 1 lists carbohydrates, lipids, nucleic acids, and proteins. This matches the four major classes.
• Option 2 lists steroids (which are a subcategory of lipids) and specifies deoxyribose nucleic acids (which is just one type of nucleic acid).
• Option 3 and Option 4 include "hydrogen dioxide" (water), which is an inorganic molecule, not a major biomolecule class.

Determine the correct choice

The first option correctly and comprehensively lists the four major classes of biomolecules.

Answer:

• (A) Carbohydrates, lipids, nucleic acids and proteins (Correct answer)
• (B) Carbohydrates, lipids, deoxyribose nucleic acids, steroids
• (C) Lipids, steroids, hydrogen dioxide, proteins
• (D) Proteins, lipids, deoxyribose nucleic acid, hydrogen dioxide