science Flashcards
(7 cards)
1
Q
What is the cell wall?
A
The outer layer of a plant cell that protects the insides and gives shape.
2
Q
What is the function of the cell membrane?
A
It allows certain things to move in and out of the cell and closes the contents of the cell.
3
Q
What is cytoplasm?
A
A jelly-like substance that fills the cell and contains organelles.
4
Q
What does the nucleus contain?
A
It contains DNA and controls the life activities of the cell.
5
Q
What is the role of mitochondria?
A
It is the site of cellular respiration, breaking down food and producing energy.
6
Q
What happens in chloroplasts?
A
Photosynthesis occurs here, and it contains the green pigment chlorophyll.
7
Q
What is a vacuole?
A
A fluid (sap) filled organelle that helps maintain water balance and supports the cell’s shape.
