Genetics Final Terms

Random Science or definition Quiz

Can you name the Genetics Terms and Concepts?

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Definition / ConceptTerm
a system which is always on because the repressor cannot bind to DNA
Stop codon UAG
unwinds DNA at the replication fork
a base pair mutation which causes a STOP codon
a base pair mutation which causes the codon to code for a different amino acid
Stop codon UAA
a membrane-bound protein which creates a channel allowing lactose in
protein which binds to origin and separates strands
elongates a new nucleotide strand from the 3' OH group provided by the primer
code for Ochre
how “right” replication is
removes RNA primers and replaces them wit DNA
a gene which retains the same function despite a change in sequence
the size of the small subunit of the bacterial ribosomal unit
this is needed to get RNA polymerase to start “doing its job” – will be several aborted attempts before success
code for Umber
Stop codon UGA
Definition / ConceptTerm
attach to single-stranded DNA and prevent reannealing
the size of the large subunit of the eukaryotic ribosomal unit
the size of the bacterial ribosomal unit
synthesizes short RNA primers to provide a 3' OH group for the attachment of the DNA nucleotides
a base pair mutation which causes the codon to code for the same amino acid
the size of the eukaryotic ribosomal unit
the size of the small subunit of the eukaryotic ribosomal unit
base change from a purine to a pyrimidine or vise-versa
moves ahead of the replication fork making and resealing breaks in the double-helical DNA to release torque that builds up as a result of unwinding the DNA at the replication fork
the speed of replication or the number of base pairs replicated in one burst of replication with DNA polymerase
a gene which has an altered sequence resulting in an altered function
the size of the large subunit of the bacterial ribosomal unit
the conditions necessary for conditional mutation to take place
the addition or subtraction of 1-2 bases which causes the reading frame of DNA to shift and makes the codons shifted and causes the wrong amino acids to be coded for and produced
base change from a purine to a purine or a pyrimidine to a pyrimidine
code for Amber
joins okazaki fragments by sealing nicks in the sugar-phosphate backbone of newly synthesized DNA

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