What are the three main components that all cells, both eukaryotic and prokaryotic, have in common?

All cells have a cell membrane, cytoplasm, and DNA.

Explain the primary function of the nucleus within a eukaryotic cell.

The nucleus contains the cell's DNA and controls the cell's activities.

Rough ER has ribosomes attached to it, while smooth ER does not.

The Golgi apparatus modifies, sorts, and packages proteins and other materials for use in the cell.

Grade 7 · Science · 45 min

I can identify the main functions of key cell organelles.

Nucleus Medical Media · 7:22

Biology: Cell Structure I Nucleus Medical Media

3 key concepts

1
All cells have a cell membrane, cytoplasm, and DNA.
2
Eukaryotic cells have a nucleus and membrane-enclosed organelles, while prokaryotic cells do not.
3
The nucleus contains DNA, which condenses into chromosomes when the cell is ready to divide.

9 questions · Multiple choice & Short answer

Quick comprehension check

“What are the main functions of the following cell organelles? 1. Nucleus 2. Ribosomes 3. Mitochondria 4. Chloroplast (if present)”

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