Which substance do cells need to get energy from food? A. Vitamin C
B. Ammonia
C. Carbon dioxide
D. Oxygen

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material