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Micro 2015-GBates
Final Exam- Test 2
| Question | Answer |
|---|---|
| Unzip double helix | Helicase |
| Unwind chromosome | Gyrase |
| Repairs light damage | Photolyase |
| Glues DNA together | Ligase |
| Cuts DNA inside the strand | Endonuclease |
| Cyano | blue |
| Cyt | cell |
| Epi | Upon |
| Erythro | Red |
| Firmi | Strong |
| Flav | yellow |
| Fruct | fruit |
| Gamet | To marry |
| Gel | to stiffen |
| Gracili | thin |
| Hema | blood |
| Herpes | creeping |
| Hetero | different |
| Hist | Tissue |
| Sensitization involves? | Mechanical removal |
| Ribosomes are made up of ___ and proteins? | ribosomal RNA |
| What of the following is a vector in genetic engineering? | Plasmid |
| Which of the following is the highest level of microbial control? | Sterilization |
| Prior to protein synthesis, the DNA | Serves as a template for the production of mRNA |
| Which organism can do transcription and translation simultaneously? | E. coli |
| Which is most directly responsible for the sequence of amino acids in a protein? | The sequence of codons in mRNA |
| Differential media___ | differentiates between species by phenotype |
| ________ are no needed for PCR. | RNA Polymerase |
| Which of the following nucleotide bases is found only in DNA, no in RNA? | Thymine |
| An operon is found in | prokaryotes |
| In a repressible operon, what causes the operon to shut OFF? | Too much end product |
| What is NOT part of an operon? | Regulator |
| What is the function of the polymerase chain reaction (PCR) in genetic engineering? | Make millions of copies of a specific segment of DNA |
| What are the segments on the lagging strand during DNA replication called? | Okazoki fragments |
| What happens in transcription and translation in Prokaryotes that differs from Eukaryotes? | Happens simultaneously |
| How do low temperatures effect microbes? | Slows them down |
| A gene is best defined as | A sequence of nucleotides in DNA that codes for a functional product |
| Why does dehydrating food stop microbial growth? | There is no water for hydrolysis |
| Conjugation differs from reproduction because conjugation | Transfers DNA horizontally, to cells in the same generation |
| Which of the following statements is FALSE? | DNA replication proceeds in one direction around the bacterial chromosome. |
| Genetic change in bacteria can be brought about by | Mutation Conjugation Transduction Transformation |
| An enzyme that cuts double-stranded DNA at specific nucleotide sequences | Restriction enzyme |
| Steps to make a bacterium produce human protein X in order: | DNA Isolation Restriction enzyme DNA ligase Transformation Prokaryotic transcription Prokaryotic translation |
| Organism in order most to Least resistant ~Most resistant~ | Prion |
| Organism in order most to Least resistant #2 | Endospore |
| Organism in order most to Least resistant #3 | Mycobacteria |
| Organism in order most to Least resistant #4 | Cyst of Protozoa |
| Organism in order most to Least resistant #5 | Vegetative protozoa |
| Organism in order most to Least resistant #6 | Gram negative |
| Organism in order most to Least resistant #7 | Fungi |
| Organism in order most to Least resistant #8 | Non enveloped virus |
| Organism in order most to Least resistant #9 | Gram positive |
| Least resistant | Enveloped virus |
Created by:
arichardson_14
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