Cell biology definitions - AQA GSCE Biology

It controls the movement of substances in and out of the cell.

Made from cellulose fibres and strengthens the cell and supports the plant. Permanent vacuole. Filled with cell sap to help keep the cell turgid.

Organelle that contains the green pigment, chlorophyll, which absorbs light energy for photosynthesis. Contains the enzymes needed for photosynthesis.

It is a molecule made up of many coiled up sections of DNA.

A jelly-like material that contains dissolved nutrients and salts and structures called organelles.

It is the molecule that contains the instructions for growth and development of all organisms.

They are complex cells that contain a nucleus and other membrane-bound organelles.

It is how many times bigger the image of a specimen observed is in compared to the actual (real-life) size of the specimen.

They are organelles that contain the enzymes for respiration, and where most energy is released in respiration

It contains the genetic material (DNA) of the organism and controls the cell's activities.

They are loops of DNA found in the cytoplasm of prokaryotic cells.

They are simple cells that lack a nucleus and other membrane-bound organelles.

It is the smallest change in a quantity that gives a change in the reading that can be seen.

They are tiny structures where protein synthesis occurs.

It is a fluid-filled sac that stores water.