Background DNA Structure Micropipetting Gel Electropheresis Molecular Modeling
100
Double Helix Model
What did Watson, Crick, and Franklin discover?
100
Adenine, Guanine, Cytosine, and Thymine
What are the nitrogenous bases of DNA?
100
They are used to measure very small volumes starting at 1 microliter
What are micropipettes used for?
100
DNA
What was put into the gel wells?
100
2
How many bonds can oxygen form?
200
Code for Genes
What does DNA do?
200
3' to 5'
In which direction is DNA read?
200
1000 microliters
How many microliters are in 1mL?
200
Restriction Enzyme
What can be used to cut DNA?
200
Deoxyribose sugar, Phosphate, and the nitrogenous base
What are the three parts of a nucleotide?
300
DNa is double-stranded and RNA is single-stranded
What is the difference between DNA and RNA?
300
Adenine - Thymine
Guanine - Cytosine
Which nitrogenous bases pair to each other?
300
After every use
How often does the pipet tip need to be replaced?
300
The DNA ladder is a set of standards that are used to identify the approximate size of a molecule run on a gel.
What is the DNA ladder used for?
300
Helix
What is the structure of DNA?
400
Thymine is replaced with Uracil
Which base pair(s) is different in RNA than in DNA?
400
Hydrogen bonding
What is the intermolecular interaction that connects DNA strands?
400
Load the restriction enzymes and DNA into the gel
What did we use the micropipettes for during the gel electrophoresis?
400
EcoR1 and Hind (III)
What was one of the restriction enzyme used in today's lab?
400
Pyrimidines: Adenine and Guanine
Purines: Cytosine and Thymine (Uracil in RNA)
Which nitrogenous bases are the purines and which are the pyrimidines?
500
Using X-ray Chrystallography
How did Watson, Crick, and Franklin discover the double helix model?
500
Pentose sugar
What is the ring structure of the deoxyribose sugar?
500
P200
What micropipette was used during today's lab?
500
Exposing the stained gel to a UV light source causes the DNA/dye to fluoresce and become visible.
Why does the gel need to be read under UV light?
500
The hydrogen attached at the carbon 2 position of the deoxyribose sugar is replaced with a hydroxyl group in the ribose sugar
What is the difference between deoxyribose sugar and a ribose sugar?






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