Cell structure. Flashcards
1
Q
What is the function of the Golgi apparatus?
A
- Modifies / Processes and packages proteins and lipids.
- Produces lysosomes.
2
Q
What is the material in a bacterial cell wall?
A
Peptidoglycan
3
Q
What is the function of the smooth endoplasmic reticulum?
A
Synthesis of lipids
4
Q
What is the function of lysosomes?
A
- Contain hydrolyzing enzymes
- Breaks down / digests cells
5
Q
What is meant by resolution?
A
Resolution is the ability to separate or distinguish between two close together objects or points.
6
Q
What is meant by magnification?
A
Magnification is the number of times larger the image is compared to the object.
7
Q
What is the equation for magnification?
A
M = Image size / actual size.
8
Q
What resolution can be achieved by a light microscope?
A
50-200nm
9
Q
What resolution can be achieved by a TEM?
A
0.05-1.0nm
10
Q
How long are mitochondria?
A
2-5 um
11
Q
What does eukaryotes have which DNA does not?
A
- Membrane bound organelles
- Nucleus
