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DNA

Micro

QuestionAnswer
The site where the old DNA strands separate and the new DNA strands will be synthesized is called the Replication Fork
Helicase Unwinds RNA
DNA Polymerase I Removes Primers
DNA Polymerase III Adds new bases and proofreads new DNA
A permanent, inheritable change in genetic information is called Mutation
Replication of DNA begins at a(n) rich area Adenine-thymine
Eukaryotic chromosomes differ from bacterial chromosomes because eukaryotes have
The is all of the genetic material of a cell Genome
Each is a specific segment of the DNA with the code for production of one functional product. Gene
The expression of genetic traits is the Phenotype
The DNA is made up of subunits called Nucleotides
Which is incorrect about purines Only found in DNA, Not RNA
The antiparallel arrangement within DNA molecules refers to One helix strand that runs from the 5' to the 3' direction and the other strand runs from the 3' to 5' direction
A sequence of bases on a gene that does not code for protein is call a(n) Intron
Split genes use spliceosomes to excise introns and then join exons
Which is incorrect about inducible operons? Have genes turned off by a buildup of end product
Synthesis of an inducible enzyme requires Substrate bound to repressor
Full induction of the lactose operon requires Lactose present without glucose
The lactose repressor is inactivated by binding lactose
Gene regulation can involve a protein repressor that blocks from initiating transcription RNA polymerase
A mutation that changes a normal codon to a stop codon is called a Nonsense mutation
The most serious type of mutation is a Frame shift mutation
A frame shift is caused by mutations Deletion and insertion
What type of mutation alters the base, but not the amino acid being coded for ? Silent
If the wild type DNA sequence reads THE CAT ATE THE BIG RAT, what type of mutation would change the sequence to THE CAT ATE THE BAG RAT? missense
The process in which mutations are removed and the correct bases added is called excision repair
Bacterial conjugation involves a donor cell with a plasmid that synthesizes a pilus
The primers in PCR are synthetic short strands of DNA (oligonucleotides)
If you start with three double-stranded DNA fragments, after 4 cycles of PCR you will have fragments 48
The deliberate removal of genetic material from one organism and combining it with the genetic material of another organism is a specific technique called. Recombinant DNA
Common vectors used to transfer a piece of DNA into a cloning host are Plasmids viruses bacteriophages artificial chromosomes
Genomic are collections of isolated genes maintained in a cloning host. libraries
Which of the following is not true of conjugation? transfers genes for a polysaccharide capsule
If the wild type DNA sequence reads THE CAT ATE THE BIG RAT, what type of mutation would change the sequence to THE CAT ATE (stop)? nonsense
Which of the following is not a type of bacterial DNA recombination? mitosis
The development of virulent toxin producing bacterial strains due to the presence of a temperate phage can occur in? Specialized transduction
A bacteriophage transfers DNA of the previous host to the current host. This is am example of Generalized transduction
The jumping of a gene from one location to another is done by transposons
. The various techniques by which scientists manipulate DNA in the lab are called genetic engineering
A technique that separates a readable pattern of DNA fragments is gel electrophoresis
DNA strands can be clipped crosswise at selected positions by using enzymes called? restriction endonucleases
Created by: 2153294331388769
 

 



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