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15
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Explain the difference between leading and lagging strand?
Leading strand is made faster (template strand: 3'-5'). Lagging strand is made more slowly and in chunks (template strand: 5'-3').
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10
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What are Okazaki fragments?
Short DNA chunks of the lagging strand.
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15
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What is the function of primase?
This enzyme makes the RNA primer.
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10
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Explain what is base-pairing?
It is how complementary DNA bases bond together. A-T, G-C.
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15
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Which direction does DNA polymerase add nucleotides?
5' to 3' direction.
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baam
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gold
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rocket
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baam
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25
×
A DNA sample has in total 200 of 1000 bases that are G and C. How may are T?
A&T = 800, T = 400
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10
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Where is DNA stored in the prokaryotic cell?
Cytoplasm
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trap
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gift
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gift
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thief
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10
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What are the building blocks of DNA?
Nucleotides
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thief
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gold
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gift
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banana
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10
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Assuming 10% of a DNA sample is G, How much is in total is A and T?
80% (40%A + 40%T = 80% A&T)
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10
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Where is DNA stored in the Eukaryotic cell?
The nucleus
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15
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Name the three components of a DNA nucleotide:
Phosphate, Deoxyribose sugar, Nitrogenous base.
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15
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What is the function of the RNA primer?
The RNA primer marks the beginning of the new DNA strand.
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10
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What are the bonds that form between two bases?
Hydrogen bonds
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