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seesaw
Swap points!
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star
Double points!
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rocket
Go to first place!
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thief
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25
15
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What does the enzyme, DNA polymerase do?
Builds new strand, checks for errors in DNA code.
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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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20
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List the four essential enzymes for DNA replication:
DNA polymerase, Helicase, Ligase, Primase.
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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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The lagging strand requires multiple primers to build, true or false?
True!
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10
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What are the bonds that form between two bases?
Hydrogen bonds
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15
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Why does DNA replication occur?
A second copy of DNA is required for producing the daughter cell in mitosis.
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thief
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fairy
Take points!
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gift
Win 25 points!
Okay!
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baam
Lose 25 points!
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10
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What are Okazaki fragments?
Short DNA chunks of the lagging strand.
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heart
Other team wins 10 points!
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shark
Other team loses 20 points!
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gift
Win 10 points!
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thief
Give points!
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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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15
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What do the single stranded binding proteins (SSBP) do?
Hold template strands in place, prevents DNA strands fronm joining together.
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15
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What does the enzyme, helicase do?
Breaks hydrogen bonds between bases, seperating the two strands.
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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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Which direction does DNA polymerase add nucleotides?
5' to 3' direction.
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