Term
What is the genetic material? |
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Definition
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Term
What are the monomers that make up DNA? |
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Definition
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Term
Describe the structure of a nucleotide? |
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Definition
5-carbon sugar, phosphate group, and nitrogenous base |
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Term
List the nitrogenous bases and their pairs, and whether they are purines or pyrimidines, double or single ringed and which are double bonded or triple bonded? |
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Definition
A-T purines, double ringed, double bonded
C-G pyrimidines, single ringed, triple bonded |
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Term
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Definition
A base pair rule of 1:1
ex] equal amounts of a to t
equal amounts of g to c |
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Term
Is DNA double helix or single stranded? |
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Definition
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Term
What is meant by antiparallel? |
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Definition
Side by side but running in opposite directions
---->
<---- |
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Term
What is meant by semiconservative? |
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Definition
DNA separates and free nucleotides pair with exposed bases to make 2 new strands |
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Term
What is meant by 5' and 3'? |
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Definition
Indicates carbon # in sugar/ gives direction. Always runs 5'-3' |
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Term
What kind of bond attracts the phosphate and sugar backbone? |
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Definition
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Term
What kind of bonds form between the nitrogenous bases? |
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Definition
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Term
Describe DNA replication by the enzyme order? |
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Definition
Helicase
DNA Gyrase
DNA Primase
DNA Ligase
DNA Gyrase |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Creates RNA polyamerase/ DNA Primer
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Term
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Definition
Facilitates joining of DNA strands in direction |
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Term
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Definition
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Term
What direction is DNA synthesized? |
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Definition
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Term
Discuss 2 differences between prokaryotic DNA replication and Eukaryotic DNA replication. |
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Definition
P-one point of origin, 2 directions same time
E-More DNA, multiple linear chromosomes |
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Term
What are telomeres? Discuss relation among telomeres and cancer and aging? |
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Definition
Structures at the ends of chromosomes protect genetic data. telomerase is common in cancer cells, thats how the infinitely replicate |
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Definition
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Term
What are the 3 stop codons? |
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Definition
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Term
What is the purpose of the 5' cap and the 3' poly-A tail being added to the transcript mRNA? |
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Definition
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Term
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Definition
Introns are spliced out and exons are expressed |
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Term
What is the charging reaction of tRNA?
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Definition
joining of an amino acid and tRNA |
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