Multiple choice

What happens in the nucleus?

  1. Photosynthesis

  2. Respiration

  3. DNA replication

  4. Proteins are formed

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The nucleus contains the cell's genetic material (DNA), making it the site for DNA replication and transcription. Photosynthesis occurs in chloroplasts, cellular respiration occurs primarily in mitochondria, and protein synthesis (translation) occurs on ribosomes in the cytoplasm.