AQA GCSE Biology key words: B1 – Cells

Eukaryotic

• Cell with a nucleus

• Cell without a nucleus

• Small structures inside a cell e.g. nucleus

• Contains DNA

Prokaryotic

• Cell with a nucleus

• Cell without a nucleus

• Small structures inside a cell e.g. nucleus

• Contains DNA

Sub-cellular structures

• Cell with a nucleus

• Cell without a nucleus

• Small structures inside a cell e.g. nucleus

• Contains DNA

Nucleus

• Cell with a nucleus

• Cell without a nucleus

• Small structures inside a cell e.g. nucleus

• Contains DNA

Cytoplasm

• Where chemical reactions take place

• Controls what enters and leaves the cell

• Where aerobic respiration takes place

• Where proteins are made

Cell membrane

• Where chemical reactions take place

• Controls what enters and leaves the cell

• Where aerobic respiration takes place

• Where proteins are made

Mitochondria

• Where chemical reactions take place

• Controls what enters and leaves the cell

• Where aerobic respiration takes place

• Where proteins are made

Ribosomes

• Where chemical reactions take place

• Controls what enters and leaves the cell

• Where aerobic respiration takes place

• Where proteins are made

Chloroplasts

• Where photosynthesis occurs

• Contains cell sap

• When a cell becomes a specialised cell

• Cell division where one set of chromosomes are pulled to each end of the cell and the nucleus divides

Vacuole

• Where photosynthesis occurs

• Contains cell sap

• When a cell becomes a specialised cell

• Cell division where one set of chromosomes are pulled to each end of the cell and the nucleus divides