|LESSON 1: Basic Chemistry|
DNA and RNA are used to direct the activity of cells.
Cells look and function a certain way because of directions contained in the DNA.
They have 3 Parts:
Here is what they look like all put together:
Nucleic acids are linked together to form long chains, and DNA is made of two parallel chains:
These parallel chains have a twist to them so DNA is often called a Double Helix.
Making DNA molecules: