Ch 3: Cellular And Memebrane Organelle Flashcards
1
Q
Nucleas
A
Membrane with pores that stores DNA
2
Q
What are chromatin turned into during cell division?
A
Chromosomes
3
Q
What happens to chromosomes during cell division
A
During cell division chromosomes are split up into sister chromatids, that are held together by centromere’s.
4
Q
What holds mitotic spindles together
A
Kinetochore
5
Q
What are centrioles
A
They separate chromosomes during cell division
6
Q
 ribosomes
A
Sites of protein synthesis; to produce proteins
7
Q
Types of ribosomes
A
- free (cytoplasm)
- Attached to rough E.R
- nucleolus
8
Q
Mitochondria
A
- major site of ATP
-membranes (inner & outer) - power house of the cell
9
Q
What are the two membranes of the mitochondria
A
- Cristal: infolding of inner membrane
Matrix: located in space formed by inner membrane
10
Q
Rough E.R
A
- ribosomes attached
- to produce proteins
11
Q
Smooth E.R
A
- produce lipids
- to detoxify the body
- found more in the liver
12
Q
Golgi apparatus
A
- modify, package, and distribute proteins and lipids for secretion for internal use
13
Q
Lysosomes
A
- vesicles that contains digestive enzymes
- Used to digest substances
14
Q
Stages of the cell lifecycle
A
- Interphase
- Mitosis
- Prophase
- Metaphase
- Anaphase
- Telophase
15
Q
 interphase
A
 longest phase of cell cycle
- G1: cell grows
S- phase: synthesize DNA
G2: Growth and prepare for cell division
