Biology for IGCSE & O level - Inheritance (Section 3 - No. 13)
Which of the following are key functions of proteins in cells?
Catalyzing biochemical reactions
Transporting molecules across the cell membrane
Storing and transmitting genetic information
Providing structural support for the cell
คำอธิบาย
Proteins function as enzymes, transporters, and structural components; genetic information is stored in DNA.