Topic 1- Cell Biology Keywords Flashcards
Eukaryotic
Cell with a nucleus
Prokaryotic
Cell without a nucleus
Sub-cellular structures
Small structures inside a cell e.g. nucleus
Nucleus
Contains DNA
Cytoplasm
Where chemical reactions take place
Cell membrane
Controls what enters and leaves the cell
Mitochondria
Where aerobic respiration takes place
Ribosomes
Where proteins are made
Chloroplasts
Where photosynthesis occurs
Vacuole
Contains cell sap
Differentiation
When a cell becomes a specialised cell
Mitosis
Cell division where one set of chromosomes are pulled to each end of the cell and the nucleus divides
Stem cell
Cells that are undifferentiated but can turn into any type of cell
Diffusion
The movement of particles from a HIGH concentration to a LOW concentration down a concentration gradient
Osmosis
The movement of WATER from a DILUTE solution to a MORE CONCENTRATED solution