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Exam 3
DNA Structure & Replication
17
Biology
Undergraduate 1
03/28/2014

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Cards

Term
What stores the hereditary / genetic information for a cell molecule?
Definition
DNA
Term
What are polymers called_______ that serve as the information storage devices of a cell?
Definition
Nucleic
Term
When was DNA discovered?
Definition
1870
Term
What year was DNA was said to be the hereditary material of cells
Definition
1944
Term
DNA is made up of subunits called?
Definition
Nucleotides
Term
Each nucleotide has three parts what are they?
Definition
Central 5-C sugar, and Phosphate group (P04) , and Nitrogen Containing Base
Term
Nucleic acids are long polymers of repeating subunits called_____________
Definition
Nucleotides
Term
What is the same in every nucleotide of the 3 parts
Definition
Phosphate and Sugar
Term
How many different kinds of organic bases are there in DNA?
Definition
four
Term
Large bases Purines in DNA are?
Definition
Adenine and Guanine
Term
Small bases Pyrimidines in DNA are?
Definition
Cytosine and Thymine
Term
Name the four different kinds of organic bases for DNA.
Definition
Adenine, Guanine, Cytosine and Thymine
Term
A=_____
Definition
T
Term
Who made up Chargaffs rule of DNA
Definition
Erwin Chargaff
Term
Who with X ray diffraction determend that DNA had a coiled spring or helix like look
Definition
Rosalind Franklin
Term
What holds DNA strands together
Definition
Hydrogen Bonds
Term
C=________
Definition
G
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