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BIOLOGY
CH 14
12
Biology
Undergraduate 3
04/14/2010

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Term
BACTERIOPHAGE
Definition
VIRUSES THAT INFECT BACTERIA
Term
PURINES
Definition
A nitrogen-containing, single-ring, basic compound that occurs in nucleotides of DNA and RNA
Term
PYRIMIDINES
Definition
it is the basis of three of the bases found in DNA and RNA, thymine, uracil and cytosine
Term
DNA PRIMASE
Definition
ASSEMBLES PRIMER
Term
DNA PRIMER
Definition
ASSEMBLED BY PRIMASE, IS MADE OF RNA, LAID DOWN AS 1ST SERIES OF NECLUOTIDES IN A NEW DNA STRAND
Term
DNA POLYMERASE
Definition
INDIVIDUAL NUCLEOTIDES THAT ASSEMBLE NUCLEOTIDE CHAINS DURING REPLICATION
Term
DNA LIGASE
Definition
SEALS NICKS LEFT AFTER RNA PRIMERS ARE REPLACED WITH DNA
Term
OKAZAKI FRAGMENT
Definition
SHORT LENGTH OF DNA STRANDS, MADE BY POLYMERASE
Term
HELICASE
Definition
UNWINDS DNA HELIX
Term
TOPOISOMERASE
Definition
REMOVE THE OVERTWISTING DNA AS IT FORMS IN CIRCULAR DNA
Term
TELOMERS
Definition
LOCATED @ ENDS OF EUKARYOTIC CHROMOSOMES, SHORT SEQUENCES REPEATED HUNDREDS TO THOUSANDS OF TIMES, DO NOT CODE FOR PROTEINS.
Term
THYMINE DIMMER
Definition
molecular lesions formed from thymine or cytosine bases in DNA via photochemical reactions
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