Cell Biology Flashcards
(10 cards)
1
Q
Cell membrane
A
Controls the movement of substances in and out of the cell.
2
Q
Nucleus
A
Contains genetic material that controls the cell’s activities.
3
Q
Cytoplasm
A
Gel-like substance where most chemical reactions happen.
4
Q
Mitochondria
A
Site of aerobic respiration, releasing energy.
5
Q
Ribosomes
A
Where protein synthesis occurs.
6
Q
Prokaryote
A
A cell without a nucleus (e.g., bacteria).
7
Q
Eukaryote
A
A cell with a nucleus (e.g., plant and animal cells).
8
Q
Diffusion
A
Movement of particles from an area of high to low concentration.
9
Q
Osmosis
A
Movement of water across a partially permeable membrane.
10
Q
Active transport
A
Movement of substances against a concentration gradient, requiring energy.