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ASC DNA REPLICATION

ORGANELLES /DNA REPLICATION

QuestionAnswer
ORGANELLE & STAGE DNA REPLICATION OCCUR -NUCLEUS & MITOCHONDRIA -S (SYNTHESIS PHASE)
REPLISOMES... DNA REPLICATION COMPLEXES LOCATED IN NUCLEUS TO INCREASE RATE OF DNA SYNTHESIS. THE ENZYMES THAT MAKE dNTPs
EACH STRAND OF DNA DOUBLE HELIX... IS A TEMPLATE FOR SYNTHESIS OF A NEW COMPLIMENTARY DNA STRAND (DAUGHTER MOLECULE)
ORIGIN OF REPLICATION... THE SPECIFIC NUCLEOTIDE WHERE DNA SYNTHESIS BEGINS. INITIATOR PROTEINS BIND HERE TO BEGIN ORGANIZING DNA REPLICATION PROCESS
TOPOISOMERASE RELIEVES TENSION IN DOUBLE HELIX DUE TO UNWINDING
HELICASE... UNWINDS DNA PROTEIN ALSO INVOLVED IN OTHER PROCESSES THAT REQUIRE CHANGE IN NUCLEIC ACID SHAPE
SINGLE-STRAND BINDING PROTEINS KEEPS STRAND SEPARATED AND REDUCES STRAND DEGRADATION
PRIMASE... MAKES A SHORT COMPLIMENTARY RNA STRAND CALLED A PRIMER ON EACH END SEPARATED DNA STRAND
DNA POLYMERASE REQUIRES... THE 3'-OH END OF THE RNA PRIMER TO BEGIN ADDING DNA NUCLEOTIDE TO MAKE COMPLIMENTARY DNA STRAND
DNA POLYMERASE... APPROX. 11 IDENTIFIED IN HUMANS, ADD dATP, dGTP, ETC TO THE 3'-OH END OF RNA PRIMER TO MAKE COMP. STRAND. ANOTHER WILL REMOVE RNA PRIMER & REPAIR IT WITH NEW DNA STRAND, PROOF, DETECTS, REMOVES MISMATCHED NUCLEOTIDES
DNA LIGASE (LINKS & LIGAMENTS) LINKS 3'-OH END OF THE NEW DNA STRAND W/ 5'-PO4 FROM DNA STRAND TO SEAL & COMPLETE
THE ENERGY SOURCE FOR DNA SYNTHESIS... BREAKING OF PHOSPHATE BOND IN THE 4 NUCLEOTIDE TRIPHOSPHATES dATP, dCTP, dGTP, dTTP
TELOMERE... CONSIST OF DNA/PROTEIN THAT ARE ATTACHED TO END OF EUKARYOTIC CHROMOSOMES, PREVENT CHROMOSOME FROM JOINING TOGETHER AT ENDS, PREVENT GENE LOSS DURING DNA REPLICATION
Created by: dgira002
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