eukaryotic cells Flashcards
1
Q
what is a eukaryotic cell
A
- a cell that has a nucleus
2
Q
mRNA
A
- messenger RNA is a molecule which carries protein information from the nucleus to the cytoplasm
3
Q
nucleus
A
- largest organelle surrounded by a double membrane
- contains chromosomes made of DNA
- pores let mRNA and ribosomes out, nutrients and hormones out
4
Q
plasma membrane
A
- thin, 7 to 10 nm
- selectively permeable and regulates the entry and exit of materials
5
Q
cytoplasm
A
- fluid that fills the cell
- contains ribosomes, enzymes and soluble matter
- cell metabolism occurs
6
Q
cell wall (may be present or absent )
A
- made from cellulose
- protects and supports the whole plant
