Final Exam Study Flashcards
Which is not a type of virus that integrates into the host chromosome? pox, bacteriophage, influenza, retrovrisu
pox
A bacterium that has the ability to take up free DNA is called: complimentary, competent, transducing, transient
competent
A mutation occurring without human intervention is called what?
Spontaneous
Which type of mutation changes the amino acid coded for: misense, nonsense, neutral, silent
missense
T or F: DNA repair is typically error free
True
T or F: Plasmids never contain genes essential to the cell
True
T or F: Mutation always has a negative effect on the cell
False
Name three types of RNA virus
Toga, Corona, Flavi
Name three types of DNA virus
Pox, Herpes, Hepadna
Additions or deletions of bases from the DNA lead to what type of mutation?
Frame Shift
Name one component used for bacterial adherence
Biofilm
Name 2 mutagens
xrays, radiation, UV rays
Coronavirus has what type of genome?
tRNA
What is the first protein made during the coronavirus life cycle?
RNA replicase
What type of template is needed for genome replication?
RNA
What is the first body site to be colonized?
Skin
Name one organism typically found in the small intestine
E.Coli
Name one organism typically found on the skin
staphylococcus
Name a function of reverse transcriptase
Makes DNA from RNA
Are viruses considered to be alive?
No
What enzyme is used during base excision repair?
DNA glycosylase
Name a type of herpes virus
Herpes simplex
T or F: DNA primase adds RNA primers
True
T or F: DNA pol 3 replicates both strands of DNA in eukaryotes
False
T or F: Only prokaryotes separate transcription and translation
False
T or F: Mutation always has a negative effect on the cell
False
Which is not a complonent of nucelotide: methyl group, pentose sugar, nitrogenous base, phosphate group
methyl group
What replication enzyme unwinds the DNA helix to open the DNA?
Helicase
