An animal, that has gained new genetic information from the acquisition of foreign DNA, is considered as an enzyme that links DNA molecules a transgenic animal a chimera a vector 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 deleting all recognition sites from the genome not producing any restriction endonucleases having anti restriction endonucleases TRUE ANSWER : ? YOUR ANSWER : ?
For gene probes to be useful they must be large enough to contain gene-specific sequences None of these both (a) and (b) be labeled in some manner to allow detection 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 : ?
The Southern blotting technique depends on similarities between the sequences of probe RNA and experimental RNA similarities between the sequences of probe protein and experimental protein similarities between the sequences of probe DNA and experimental DNA the molecular mass of proteins TRUE ANSWER : ? YOUR ANSWER : ?
Agrobacterium tumefaciens is a bacterium that can be used to introduce DNA into plants a fungi that is used to produce antibiotics in large amounts a disease in humans that causes loss of sight a disease in humans that causes loss of weight TRUE ANSWER : ? YOUR ANSWER : ?
What is the normal role of restriction endonucleases in bacterial cells? To degrade invading phage DNA To degrade the bacterial chromosome into small pieces during replication To produce RNA primers for replication All of these TRUE ANSWER : ? YOUR ANSWER : ?
A genomic library is a book that describes how to isolate DNA from a particular organism 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 collection of many clones possessing different DNA fragments from the same organisms bound to vectors TRUE ANSWER : ? YOUR ANSWER : ?
Enzymes that recognize and cleave specific 4 to 8 base pair sequences of DNA are helicases DNA gyrase restriction endonucleases DNA ligase TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not commonly used as vector? Cosmid Fungi Artificial chromosome Plasmid TRUE ANSWER : ? YOUR ANSWER : ?