Question

which of the following organelles directs cellular activity and stores chromatin?
a chloroplasts
b mitochondria
c nucleus
d ribosomes

Explanation:

• Option A: Chloroplasts are in plant cells, involved in photosynthesis, not directing cellular activity or storing chromatin.
• Option B: Mitochondria are the "powerhouses" of the cell, producing energy (ATP), not related to directing activity or storing chromatin.
• Option C: The nucleus contains the cell's genetic material (chromatin) and controls cellular activities by regulating gene expression.
• Option D: Ribosomes are involved in protein synthesis, not directing cellular activity or storing chromatin.

Answer:

C. nucleus