Assignments

Question 1

Distinguish plasma membrane vs cell membrane

Answer 1

the plasma membrane
- encloses the organelles

the cell membrane
- encloses the entire cell.

Question 2

Why don’t some plants have centrioles?

Answer 2

They have centrosomes instead in cell division (reproduction).
- They play similar roles to centrioles
- Difference: Centrosomes are smaller
- They also have spindle fiber outside the nuclear envelope