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nucleotide what makes up DNA
sugar (deoxyribose), phosphate, nitrogen containing base what are the parts of a nucleotide
adenine, guanine, cytosine, thymine what are the bases in DNA
adenine and guanine what are purines made of two rings of carbon
cytosine and thymine what are pyrimidines and have one ring of carbon
Watson and Crick who won the Nobel Prize in 1962 in Medicine
double helix what is the structure of DNA
hydrogen bond what forms when the faces of two bases face toward each other in the center
guanine what is complementary to the base cytosine
adenine what is complementary to the base thymine
replication what is known as the process of copying DNA
enzymes that separate the chains of DNA during replication what are helicases
enzymes that bind to the separated chains of DNA what are DNA polymerase
two how many copies of original DNA are produced after the replication
change in nucleotide sequences what causes a mutation
one in every 10,000 pairs how often do errors occur in nucleotides
bring the rate down to one in one billion what do enzymes do to repair errors
sugar (ribose), phosphate, base what makes up the nucleotides of RNA
thymine is not present in RNA, but uracil what differs from RNA and DNA
carries genetic information from DNA to the cytosol what does mRNA do
binds to specific amino acids what does tRNA do
makes up the ribosomes where proteins are made what does rRNA do
the process when genetic information is copied from DNA to RNA what is transcription
transcripts what are the products of transcription called
the production of proteins what is protein synthesis
20 how many amino acids are there
one or more polypeptides what are proteins made of
codon what are three mRNA nucleotides called
AUG what is the start codon
UAA, UAG, UGA what are the three stop codons
translation what is known as the assembling of polypeptides from information encoded in mRNA
the loop opposite of the site of an amino acid attachment bears a sequence of three nucleotides what is an anticodon
Created by: loganscarberry