Biology

The correct answer is B.Nucleus.

The nucleus is the part of the cell that directs all cell activities through the DNA located inside it. The DNA contains the genetic instructions that control how the cell grows, develops, and functions, and it plays a key role in regulating protein production and other cellular processes.

Here’s why the other options are incorrect:

A.Endomembrane System: The endomembrane system includes structures like the endoplasmic reticulum (ER), Golgi apparatus, and vesicles, which work together in the production, processing, ...