2. structure of cells Flashcards
(8 cards)
1
Q
cytoplasmic membrane
A
barrier that separates the inside of the cell from the outside environment
2
Q
cytoplasm
A
aqueous mixture of macromolecules, ions, and proteins
3
Q
ribosomes
A
site of protein synthesis
4
Q
genetic material
A
- all cells store their genetic info as DNA
- the info is divided into functional units called genes
5
Q
genome
A
a cell’s full complement of genes
6
Q
chromosome
A
a genetic element carrying genes essential to cellular function
7
Q
plasmid
A
a piece of DNA that carries non-essential genes
ex. genes for antibiotic resistance
8
Q
what do all cells have in common?
A
- cytoplasmic membrane
- cytoplasm
- ribosomes
- genetic material
- genome
- chromosome
- plasmid
