Cells and Cell Structure Flashcards
What do human and animal cells contain?
Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes
Plants cells contain everything in an animal cell as well as…
Cell wall, chloroplasts, a permanent vacuole
What does the nucleus do?
Control the activities of the cell
What does cytoplasm do?
It’s where most of the chemical reactions take place
What does a cell membrane do?
Controls the passage of substances into and out of the cell
What do mitochondria do?
Release most of the energy in respiration
What do ribosomes do?
It’s where protein synthesis occurs
What is the cell wall made of? What does the cell wall do?
Cellulose, which strengthens the cell
What do chloroplasts do?
Absorb light energy to make food
What is a permanent vacuole filled with?
Cell Sap
What does a bacterial cell consist of?
Cytoplasm, cell membrane, cell wall
Where are the genes in a bacterial cell?
Their free floating, not in a distinct nucleus
What is yeast?
A single celled organism
What do yeast cells consist of?
Nucleus, cytoplasm, cell membrane, cell wall
Why are some cells specialised?
To carry out a particular function
