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17 Cards in this Set

  • Front
  • Back
Miesher
coined term "nucleic acid"
puss from infected hounds
sutton
said things that mendel talked about are genes
gred griffith
"transforming factor"
1st actual experiment-2strains of pneumonia-bacteria turns into killing factors
avery, mccarty, mccleod
dna is transforming factor
destroying nucleic acid in mice didn't get pneumonia and lived
pauling
structure of proteins
won nobel prize
hershey and chase
bacteriophages again support tht DNA is transforming factor
chargaff
base pairing a and t
g and c
rosalind franklin and maurice wilkins
x ray diffraction gave clues to dna structure
molecules spaced regularly
ladderlike appearance
twisted
watson and crick
build 3d double helix model from franklin pics
dna replicated during
interphase
rna
ribonucleic acid
one strand
copies information and takes to ribosomes
mRNA
carries info from nucleus to ribosomes divided into three base segments called codons
tRNA
picks up individual amino acid in cytoplasm and carries to ribosomes 3 base segments called anticodons
rRNA
ribosomal rna binds mRNA and tRNA together at ribosome for protein synthisis
transcription
transfer of info from DNA To RNA so instructions can leave nucleus
codon
3 base pair segment that codes for an amino acid-monomer of protein
64 possible and 20 aminos
translation
DNA to proteins
decode mRNA message into chain of amino acids (protein)