Final Exam- Test 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Unzip double helix | Helicase
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| Unwind chromosome | Gyrase
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| Repairs light damage | Photolyase
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| Glues DNA together | Ligase
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| Cuts DNA inside the strand | Endonuclease
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| Cyano | blue
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| Cyt | cell
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| Epi | Upon
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| Erythro | Red
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| Firmi | Strong
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| Flav | yellow
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| Fruct | fruit
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| Gamet | To marry
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| Gel | to stiffen
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| Gracili | thin
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| Hema | blood
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| Herpes | creeping
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| Hetero | different
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| Hist | Tissue
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| Sensitization involves? | Mechanical removal
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| Ribosomes are made up of ___ and proteins? | ribosomal RNA
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| What of the following is a vector in genetic engineering? | Plasmid
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| Which of the following is the highest level of microbial control? | Sterilization
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| Prior to protein synthesis, the DNA | Serves as a template for the production of mRNA
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| Which organism can do transcription and translation simultaneously? | E. coli
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| Which is most directly responsible for the sequence of amino acids in a protein? | The sequence of codons in mRNA
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| Differential media___ | differentiates between species by phenotype
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| ________ are no needed for PCR. | RNA Polymerase
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| Which of the following nucleotide bases is found only in DNA, no in RNA? | Thymine
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| An operon is found in | prokaryotes
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| In a repressible operon, what causes the operon to shut OFF? | Too much end product
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| What is NOT part of an operon? | Regulator
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| What is the function of the polymerase chain reaction (PCR) in genetic engineering? | Make millions of copies of a specific segment of DNA
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| What are the segments on the lagging strand during DNA replication called? | Okazoki fragments
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| What happens in transcription and translation in Prokaryotes that differs from Eukaryotes? | Happens simultaneously
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| How do low temperatures effect microbes? | Slows them down
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| A gene is best defined as | A sequence of nucleotides in DNA that codes for a functional product
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| Why does dehydrating food stop microbial growth? | There is no water for hydrolysis
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| Conjugation differs from reproduction because conjugation | Transfers DNA horizontally, to cells in the same generation
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| Which of the following statements is FALSE? | DNA replication proceeds in one direction around the bacterial chromosome.
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| Genetic change in bacteria can be brought about by | Mutation
Conjugation
Transduction
Transformation
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| An enzyme that cuts double-stranded DNA at specific nucleotide sequences | Restriction enzyme
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| Steps to make a bacterium produce human protein X in order: | DNA Isolation
Restriction enzyme
DNA ligase
Transformation
Prokaryotic transcription
Prokaryotic translation
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| Organism in order most to Least resistant ~Most resistant~ | Prion
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| Organism in order most to Least resistant #2 | Endospore
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| Organism in order most to Least resistant #3 | Mycobacteria
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| Organism in order most to Least resistant #4 | Cyst of Protozoa
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| Organism in order most to Least resistant #5 | Vegetative protozoa
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| Organism in order most to Least resistant #6 | Gram negative
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| Organism in order most to Least resistant #7 | Fungi
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| Organism in order most to Least resistant #8 | Non enveloped virus
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| Organism in order most to Least resistant #9 | Gram positive
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| Least resistant | Enveloped virus
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