2.3 Eukaryotic cells Flashcards
1
Q
Cell membrane
A
- Semi-permeable
* Only eukaryotic cells have cholesterol in them
2
Q
Nucleus
A
- Contains chromosomes and DNA
* Controls transcription and mitosis
3
Q
Nucleolus
A
• Ribosomes produced
4
Q
Golgi apparatus
A
• Receive protein from rough endoplasmic reticulum and modify them
5
Q
Rough endoplasmic reticulum
A
• Transportation of protein with ribosomes
6
Q
Ribosomes
A
•
7
Q
Lysosome
A
Hydrolysis, digestion and breakdown of macromolecules happen.
8
Q
Similarities of prokaryotic and eukaryotic cells
A
- Cell membranes
- Ribosomes
- DNA and cytoplasm
9
Q
Animal cell
A
- No plastids
- No cell wall
- Only small vacuole
- Store excess glucose as glycogen
- No plasmodesmata
- Have centrioles
- Have cholesterol in cell membrane
- No fixed shape
10
Q
Plant cell
A
- Have plastids
- Have cell wall
- Large central vacuole
- Store excess glucose as starch
- Have plasmodesmata
- No centrioles
- No cholesterol in cell membrane
- Generally fixed shape
11
Q
Prokaryotes - DNA
A
- Naked
- Circular
- Found in cytoplasm
12
Q
Eukaryotes - DNA
A
- Not naked (associated with histones)
- Linear
- Genes contain introns
- Found in nucleus
