Gen. Lec. Notes 10/18

Question	Answer
Why is there diversity?	Due to mutations in DNA
DNA does what (3) things w/ info.?	Replicate, store, express
Genetic material allows for...?	Variations via mutations
In history, DNA was considered too___ while protein seemed more ___? Why?	Simple; abundant; Since protein has 20 amino acids + DNA has 4 nucleotides
Griffith's experiment w/ what proved what?	(Dead S strain + live mutant R strain) = kills; DNA has a transforming principle that is heat resistant
What experiment seen the fixing of nonfunctioning mutant alleles into function copies?	Griffith
What part of cell was used to pass on genetic info. According to who?	The polysaccharide capsule. Griffith.
Who demonstrated the transforming principle of DNA by repeating who's experiment?	Avery + colleagues; Griffith
What did Avery do to prove his theory?	Destroy different components of a cell + found when DNA is destroyed mutant R strains doesn't change
Who experimented w/ bacteriophages dipped in sulfur + phosphate?	Hershey + Chase
What did Hershey + Chase prove?	That bacteriophages infect bacteria via inserting its DNA (not protein)
What does DNA do inside infected bacteria making it hazardous?	Directs viral reproduction

Resource summary

	Created by Isabella N about 8 years ago