Search over 10,000 free study notes

Unlike animal and plant cells, bacteria cells lack membrane bound organelles including: mitochondria, chloroplasts and a 'true nucleus'. Instead Bacterial DNA forms a single strand within the cytoplasm. B...

The chemical change which happens in the leaves of green plants. It is the first step towards making food - not just for plants but ultimately every animal on the planet.

During photosynthesis:

Enzymes act as biological catalysts for reaction that occur in organisms such as animals and plants. This means that they help to speed up reactions, or allow them to take place at lower ...

Part 1) - the retina It contains light sensitive cells - the rods/cones
  Part 2) the vitreous humour It maintains the shape of the eye

This is an easy one if you just remember two simple facts.

A binds to T and

C binds to G

Since we have the bases A, C, G to pair with now we know, the answer must be.....