biology year 9

gcse revision

6 cards·by nafisathomas

what is a cell?

the smallest structural and functional unit of an organism

The nucleus is...

The organelle in a cell that controls all activity and is surrounded by nuclearmembrane.carries the instructions to make new cells

The cytoplasm is...

A liquid gel in which the organelles are suspended and where most of the chemical reactions needed for lifetake place

The cell membrane is...

Controls the passage of substances such as glucose,water and mineral ions in and out of the cell.

The mitochondria are...

a structures in the cytoplasm where aerobic respiration takes place releasing energy for the cell.

The ribosome is...

The site of protein synthesis