Question

1. cells often store materials like water, salts, proteins and carbohydrates in sac - like structures called

a. chloroplasts.
b. lysosomes.
c. mitochondria.
d. vacuoles.

Explanation:

• Chloroplasts are involved in photosynthesis.
• Lysosomes contain digestive enzymes.
• Mitochondria are the power - houses of the cell (produce ATP).
• Vacuoles are sac - like structures that store materials such as water, salts, proteins, and carbohydrates.

Answer:

D. Vacuoles