Biomolecules Quiz

Which biomolecule is the primary source of quick energy for cells?

• Lipids

• Carbohydrates

• Proteins

• Nucleic acids

What is the main function of nucleic acids in a cell?

• Store genetic information

• Provide insulation

• Speed up chemical reactions

• Form cell membranes

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Which type of biomolecule makes up most of the cell membrane?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

Amino acids are the building blocks of which biomolecule?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

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Which of the following is a function of lipids in cells?

• Storing genetic information

• Providing long-term energy storage

• Speeding up chemical reactions

• Forming rigid cell walls

Which biomolecule contains the instructions for building proteins?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

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Which of the following best describes the role of carbohydrates in the structure of a cell?

• They form the main component of the cell membrane.

• They provide energy and can be found on the cell surface for recognition.

• They store genetic information.

• They act as enzymes.

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Why are lipids important for the structure of the cell membrane?

• They provide quick energy.

• They allow the membrane to be flexible and form a barrier.

• They store genetic information.

• They act as enzymes.

Which statement best explains the relationship between the structure of nucleic acids and their function?

• Their double helix structure allows them to store and transmit genetic information.

• Their ring structure provides energy.

• Their hydrophobic tails form membranes.

• Their folded shape allows them to act as enzymes.

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A mutation occurs in the DNA of a cell. Which biomolecule is directly affected, and what could be a possible consequence?

• Carbohydrates; the cell loses energy

• Lipids; the membrane becomes rigid

• Nucleic acids; the instructions for making proteins may change

• Proteins; the cell cannot store energy

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