Question

which of the following is a function of carbohydrates?
a passes instructions from parent cells to offspring
b carries messages
c provides energy to cells
d speeds up chemical reactions

Explanation:

• Option a: Passing instructions from parent cells to offspring is the function of nucleic acids (like DNA), not carbohydrates.
• Option b: Carrying messages is a function of molecules like hormones or neurotransmitters (often proteins or lipids), not carbohydrates.
• Option c: Carbohydrates, such as glucose, are a primary source of energy for cells. They are broken down to release energy through cellular respiration.
• Option d: Speeding up chemical reactions is the function of enzymes (which are mostly proteins), not carbohydrates.

Answer:

c. provides energy to cells