Macromolecules

What is the primary function of carbohydrates in cells?

• Long-term energy storage

• Genetic information storage

• Fast source of energy

• Forming cell membranes

Which of the following is a key characteristic of lipids?

• They are hydrophilic.

• They are primarily used for quick energy.

• They are generally hydrophobic.

• Their monomer is a monosaccharide.

What is the building block (monomer) of proteins?

• Monosaccharide

• Nucleotide

• Fatty acid

• Amino acid

What is the main role of nucleic acids like DNA and RNA in living organisms?

• Providing thermal insulation.

• Storing genetic information and directing cell activities.

• Acting as a fast source of energy.

• Forming the primary structure of cell walls.