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Replication (bio 5b)

Biology 5b

QuestionAnswer
What does the enzyme telomerase do? Adds telomeres to the ends of DNA for protection
What happens to the telomeres of an aging cell? They begin to 'wear out' with each new cell replication
What happens to the telomeres of a cancer cell? They are permanently attached to the DNA molecules
What was the 2009 Nobel Prize in medicine awarded for? The discovery of the role of telomerase and telomeres on cancer cells
In what direction do DNA polymerase & RNA polymerase read the template strand? 5' to 3' direction
What type of nucleic acid is this?5'AAAGGCGTAGATCATAG3' DNA
What does the suffix -ase tell you about a molecule? Its an enzyme
what does the prefix nucl- mean? center or nucleus
What does semi-conservative replication mean? One old strand and one new strand in the newly synthesized DNA molecule
What type of growth does DNA replication have? exponential growth (like r-selected organisms)
What is the purpose of PCR? To replicate DNA 'in vitro' (in a test tube)
what does 'in vitro' mean? In a glass (test tube) as opposed to naturally in a cell
When doing the DNA replication activity, who or what played the role of exonuclease? My partner who checked my work for mistakes and fixed them
When doing the DNA replication activity, who or what played the role of helicase? The scissors that cut open the two strands of DNA
When doing the DNA replication activity, who or what played the role of DNA polymerase? me, when I glued each new nucleotide to the template strand in the 5' to 3' direction
Where does replication take place? Inside the nucleus
What is another word for DNA synthesis? Replication
What are the nitrogenous bases for DNA? Adenine, Thymine, Guanine, Cytosine
What is Ms. Amado's favorite sentence to remember how DNA bases pair up? A Train Goes Choo-choo thanks Isidra & Jonathan =)
Created by: latiffeamado
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