B2- DNA

B2- DNA

CHROMOSMES ARE REALLY LONG STRANDS OF DNA

DNA contains all the instructions to put an organism to make it work.

DNA can be found in the nucleus of animal and plant cells found in long molecules called chromosomes.

A GENE CODES FOR SPECIFIC PROTEINS!

1. A gene is a section of DNA.

2. The cells then make up proteins by stringing amino acids together into a particular order.

3. There are only 20 amino acids that are used.

4.…