A short molecule containing 2-20 nucleotide is oligonucleotide mononucleotide plasmid vector TRUE ANSWER : ? YOUR ANSWER : ?
Which type of restriction endonuclease cuts the DNA within the recognition site? Type II Type I Type III All of the these TRUE ANSWER : ? YOUR ANSWER : ?
A genomic library is 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 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 TRUE ANSWER : ? YOUR ANSWER : ?
A molecular technique in which DNA sequences between two oligonucleotide primers can be amplified is known as southern blotting DNA replication northern blotting polymerase chain reaction 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 : ?
In genetic engineering, a chimera is a plasmid that contains foreign DNA a virus that infects bacteria an enzyme that links DNA molecules a fungi TRUE ANSWER : ? YOUR ANSWER : ?
Enzymes that recognize and cleave specific 4 to 8 base pair sequences of DNA are restriction endonucleases DNA ligase DNA gyrase helicases TRUE ANSWER : ? YOUR ANSWER : ?
Bacterial cells protect their own DNA from degradation by restriction endonucleases by not producing any restriction endonucleases deleting all recognition sites from the genome methylating the DNA at the sites that the enzyme recognizes having anti restriction endonucleases TRUE ANSWER : ? YOUR ANSWER : ?
What is the normal role of restriction endonucleases in bacterial cells? All of these To produce RNA primers for replication To degrade invading phage DNA To degrade the bacterial chromosome into small pieces during replication TRUE ANSWER : ? YOUR ANSWER : ?
For gene probes to be useful they must be labeled in some manner to allow detection None of these both (a) and (b) be large enough to contain gene-specific sequences TRUE ANSWER : ? YOUR ANSWER : ?