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Terms in this set (26)
What is the shape of DNA?
Who first visualized and determined the shape of DNA?
Who received a Nobel Prize in 1962 for the shape and structure of DNA?
Watson, Crick, Wilkins
What are the two types of nucleic acids?
DNA and RNA
What is the monomer of a nucleic acid?
What are the 3 subunits of a nucleotide?
Simple sugar, Phosphate, nitrogenous base
List the 4 different nitrogenous bases.
Adenine, Guanine, Cytosine, Thymine
Which nitrogenous base is not present in DNA but RNA only?
Which nitrogenous base is in DNA but not present in RNA?
Which nitrogenous bases are purines? What is a purine?
Adenine and guanine. A purine has two rings.
Which nitrogenous bases are pyrimidines? What is a pyrimidine?
Cytosine and Thymine. Only has one ring.
What is an attraction between partial charges in nearby molecules called?
What are nitrogenous base pairs held together by?
What sugar is found in DNA?
What sugar is found in RNA?
Is RNA double or single stranded?
What are the base pair rules?
C with G, A with T
What makes up the backbone of DNA?
Deoxyribose Sugar and phosphates
What type of covalent bond is found between the sugar and phosphate in DNA or RNA?
What term describes the two DNA strands running in opposite directions?
What term is used to describe when the DNA is being copied?
What model describes the way in which DNA is copied?
Describe this model of DNA replication.
Split up original DNA and form the complement of the original strands and two exact copies
What enzyme breaks the H-bonds between nitrogenous bases?
What enzyme brings free-floating nucleotides to the "old" or "template" strand to create the "new" strand?
Given the following sequence of bases, give the complementary bases which would be found on the other strand? TAACGTGCCGCTACGTTCGGA
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