What are the three components that all cells, regardless of type, have in common?

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

What is the main difference between eukaryotic and prokaryotic cells?

Eukaryotic cells have a nucleus and membrane-enclosed organelles, while prokaryotic cells do not.

The nucleus is the control center of the cell that contains DNA, dictating what the cell will do and how it will do it.

Grade 12th Grade · Science · 45 min

I can describe the different parts of a cell and what they do.

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 in common, regardless of whether they are eukaryotic or prokaryotic.
2
Eukaryotic cells contain membrane-enclosed organelles such as a nucleus, while prokaryotic cells do not.
3
The mitochondrion is the powerhouse of the cell, while the chloroplast is the site of photosynthesis in plant cells.

9 questions · Multiple choice & Short answer

Quick comprehension check

“Describe the function of each of the following organelles: nucleus, endoplasmic reticulum, Golgi apparatus, mitochondrion.”

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