What is the type of an microorganism that grows in the lab on medium containing mineral salts but no organic compounds. What type of organism...
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1.


What is the type of an microorganism that grows in the lab on medium containing mineral

salts but no


organic compounds.


2.


What type of organism require(s) oxygen for growth.


3.


An organism that produces catalase enzyme is protected from the harmful effects of which agent


4.


Why is Nitrogen a growth-limiting nutrient for many organisms


5.


What happens when temperatures become than needed for maximum growth of an organism,


6.


Which type of organisms would be most likely to contaminate a jar of pickles?


7.


A microbiologist inoculates a flask of broth with 1 ml of 100 bacterial cells/ml. The generation time of


the species is 1 hour, and there is no lag phase. How long will it be before the culture contains more


than 8000 cells/ml?


8.


What type of an indirect method is used to estimate the number of microbes in a sample?


9.


A clinical sample labeled as "sputum" was collected from which source?


10.


What are different phases of bacterial growth?


11.


Terminology used to describe different living conditions of microorganisms


12.


Characteristics of different phases of cell growth.


13.


Different types of bonds in nucleic acid structure


14.


What types of plasmids allows a bacterial cell to kill its competitors?


15.


Properties and functions of bacterial plasmids?


16.


What are components involved in translation of a gene?


17.


What are different types of chromosomes.


18.


If codon is a particular combination of two nucleotides. How many combinations of the nucleotides A,


C, G, and T would be possible?


19.


Which is the codon for an amino acid and also a start initiator of translation?


20.


What is the meaning of semiconservative in replication of DNA ?



2


21.


What are different type of mutations?


23.


The Ames test demonstrates that a chemical is


24.


What is the characteristic of prokaryotic genomes but NOT eukaryotic genomes?


25.


Genetic elements known as promoters are initiation points in the process of


26.


Why are codons needed in the cell?


27.


What is role of DNA ligase.


28.


RNA polymerase is primarily responsible for


29.


Which process requires participation of tRNA molecules.


30.


When is modified amino acid fMet is needed?


31.


What is the best definition of biotechnology?


32.


What is natural role of restriction enzymes in bacteria


33.


What is role of enzyme reverse transcriptase


34.


Why are Mutagens are useful in biotechnology research


35.


What are components essential for PCR?


36.


What procedures might be used to detect the presence of genetic sequences of a virus in a sample?


37.


Name the devices that is used for PCR?


38.


What is Transgenic organisms?


39.


What technique is used to separate Double strand DNA fragments of different sizes


40.


What enzymes are used for cutting DNA molecules into fragments.

Top Answer

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Types of Mutations
Normal gene
AS THE MAN SAW THE DOG HIT THE CAN END ITIS
Point mutation
AS THE MAN SAW THE DOT HIT THE CAN END ITIS
Deletion
AS THE MAN SAW THE HIT THE CAN END ITIS
Insertion
AS...

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