Molecules of Life
DNA controls the production of proteins. Proteins are needed for growth and repair.
The information in genes is in the form of coded instructions called the genetic code. The genetic code controls cell activity and consequently some characteristics of the organism.
A DNA molecule is made of two strands coiled around eachother in a double helix. The genetic instructions are in the form of a chemical code made up of four bases. These bases bond together in specific pairs, forming cross-links.
Each gene contains different sequence of bases.Genes are like recipes for proteins; each gene codes for a particular type of protein.
The four bases in DNA are A, T, C, G. -Abbie The Cat Guru (personal joke between our class).