Unit #1 also??: DNA Flashcards
What does DNA stand for?
Deoxyribonucleic acid
What are the monomers of DNA?
nucleotides
What are the 4 nitrogen bases in DNA?
adenine, guanine, cytosine, thymine
What are the four nitrogen bases in RNA?
adenine, guanine, cytosine, uracil
What is another name for point mutations
gene mutations
What are the different types of substitutions?
missense, nonsense, silent
What are pyrimidines?
a type of nitrogenous base that has two rings, adenine and guanine
What are the backbone of DNA?
phosphates and deoxyribose
What enzyme “unzips” DNA in DNA replication
DNA helicase
what is rRNA?
it translates the mRNA into an amino acid chain (protein)
What enzyme is responsible for transcription?
RNA polymerase
A series of 3 mRNA nitrogen bases that contains the information needed to make proteins are called what?
codon
What are the 3 stop codons?
UAA, UAG, UGA
What does the word “mutation” mean?
to change - a change in genetic material
What are the 3 examples of gene (point) mutations?
deletion, substitution, insertion