A short molecule containing 2-20 nucleotide is vector mononucleotide plasmid oligonucleotide TRUE ANSWER : ? YOUR ANSWER : ?
Which type of restriction endonuclease cuts the DNA within the recognition site? Type II Type I All of the these Type III TRUE ANSWER : ? YOUR ANSWER : ?
What is the normal role of restriction endonucleases in bacterial cells? To produce RNA primers for replication To degrade the bacterial chromosome into small pieces during replication To degrade invading phage DNA All of these TRUE ANSWER : ? YOUR ANSWER : ?
Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using all of these expression vectors BACS YACS TRUE ANSWER : ? YOUR ANSWER : ?
A molecular technique in which DNA sequences between two oligonucleotide primers can be amplified is known as polymerase chain reaction northern blotting DNA replication southern blotting TRUE ANSWER : ? YOUR ANSWER : ?
Electroporation is the process of separating charged molecules through a gel maintained in an electric field the process of combining foreign DNA to an electrically charged vector molecule the process of multiplication of the cells the application of high voltage pulses TRUE ANSWER : ? YOUR ANSWER : ?
A genomic library is a collection of many clones possessing different DNA fragments from the same organisms bound to vectors a database where the sequence of an organism's genome is stored a place where the information of the genetic organization of organisms are kept. a book that describes how to isolate DNA from a particular organism TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following enzyme is used to covalently bond foreign DNA to a vector plasmid? DNA ligase DNA helicase DNA polymerase Restriction endonuclease TRUE ANSWER : ? YOUR ANSWER : ?
Bacterial cells protect their own DNA from degradation by restriction endonucleases by methylating the DNA at the sites that the enzyme recognizes having anti restriction endonucleases deleting all recognition sites from the genome not producing any restriction endonucleases TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is obtained using processed mRNA molecules as a template? tDNA cDNA rDNA mDNA TRUE ANSWER : ? YOUR ANSWER : ?