Mitochondria Flashcards
1
Q
How many membranes in mitochondria?
A
Double membrane bound organelle
2
Q
Mitochondria discovered by
A
Kolliker
3
Q
Named as Mitochondria by
A
Benda
4
Q
Also called bioplast by
A
Altman
5
Q
Mitochondria visible under microscope when stained by
A
Janus Green
6
Q
Structure of Mitochondria
A
Cylindrical or sausage shaped
7
Q
Size of mitochondria
A
0.2μ-1.0μ → diameter
1.0μ-4.1μ → length
8
Q
Number
A
Number of mitochondria depends upon functioning or physiological activity of the cell
9
Q
Outer membrane is?
A
- Smooth
- Protein : lipid
→60 : 40 - More permeable in nature because of presence of porins
10
Q
Inner membrane is ?
A
- Folded - these foldings are known as cristae
- Protein : lipid
80 : 20 - selectively permeable in nature
- rich in cardio lipins
11
Q
Why is mitochondria divided into two compartments?
A
Because of presence of two membranes.
