What is the nucleus of a cell?

Problem Statement

What is the nucleus of a cell?

Step-by-Step Explanation

The nucleus stores DNA and helps control cell activities by regulating gene expression.

1. Identify what the question is asking. In Cell Biology, this usually means naming the known quantities, the unknown quantity, and the concept that connects them.
2. Write the relevant definition, rule, or relationship before substituting numbers or manipulating symbols.
3. Work one step at a time and keep units, signs, and restrictions visible.
4. Check whether the answer makes sense in the original context.

Final Answer

The nucleus stores DNA and helps control cell activities by regulating gene expression. The reliable strategy is to start from the definition, apply the correct rule carefully, and then interpret the result in plain language.