Nitrogen base always paired with adenine. THYMINE
Nitrogen base always paired with guanine. CYTOSINE
An abnormality or deformation of an organism due to pollutants in the environment that affect the organism’s DNA. MUTATION
Repeating units of a sugar, phosphate, and a nitrogen base that create the DNA helix. NUCLEOTIDE
A chemical used to read the DNA in the nucleus which takes the message to the ribosomes where proteins are made. mRNA
Base that replaces thymine in messenger RNA (mRNA). URACIL
Besides viewing this slide show again... And again... And again, what else can you do to prepare for the quiz? Look over the handouts in your notebook focusing on the BOLD FACED words. Review the “What is DNA?” slide show on my teacher webpage.