BIO1913 Unit 3 Exam
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What is the definition of Genome?
All of the genetic information in a cell
What organism does the smallest genome belong to and how many base pairs does it possess?
- Mycoplasma gentatavium500,000 base pairs
What are the 3 steps in Transcription?
- 1. RNA Polymerase binds to promoter
- 2. DNA unwinds
- 3. RNA Polymerase reads and synthesizes RNA
What is the significance of Genomics?
Allows comparison of genomes to understand how they cause disease
What is the purpose of constructing large genome databases?
Allows the identification of unknown genes by comparing sequences
True or False
All gene functions are known when genes are sequenced?
False. Not all gene functions are known even when genomes are sequenced.
What is the significance of using bacteria to study genetics?
They only have 1 chromosome/gene = immediate results
What is the process of converting DNA (genes) to mRNA called?
What is the process of synthesizing mRNA into protein called?
What is the purpose of DNA ligase on the lagging strand of the replication fork?
- Joins the discontinuous fragments of the lagging strand.
- Reseals the plasmid
- (know what it looks like in the graphic of the replication fork)
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