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structure of DNA

DNA

QuestionAnswer
DNA A VERY LONG MOLECULE MADE OF REPEATING SUBUNITS CALLED NUCLEOTIDES
NUCLEOTIDES HAVE 3 PARTS -SUGAR -PHOSPHATE GROUP -NITROGEN BASE
WHAT ARE 4 NITROGEN BASES FOUND IN DNA -Adenine -Guanine -Thymine -Cytosine
PAIR THE NITROGEN TOGETHER A WITH T ONLY T WITH A ONLY G WITH C ONLY C WITH G ONLY
RNA SINGLE STRANDED, CONTAINS U'S INSTEAD T'S, CAN LEAVE THE NUCLEUS
WATSON & CRICK DEVELOPED THE DOUBLE HELIX MODEL OF DNA
double helix a long zipper that is twisted
mutation any change in the DNA code
REPLICATION THE COPYING OF DNA FOR THE PROCESS OF CELL DIVISION -SEMI-CONSERVATION MEANING THAT EVERY NEW STRAND OF DNA FORMED IS ACTUALLY HALF & OLD HALF NEW -MUST OCCUR BEFORE THE CELL CAN DIVIDE INTO NEW BODY CELLS OR REPRODUCTIVE CELLS
Created by: MalekaStanford
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