Recombinant DNA Which of the following enzyme is used to covalently bond foreign DNA to a vector plasmid? Restriction endonuclease DNA helicase DNA ligase DNA polymerase Restriction endonuclease DNA helicase DNA ligase DNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA Which of the following vector can maintain the largest fragment of foreign DNA? YAC Cosmid Plasmid Phage YAC Cosmid Plasmid Phage ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA The advantage of using DNA polymerases from thermophilic organisms in PCR is that the DNA polymerases of these bacteria never make mistakes while replicating DNA the DNA polymerases of these bacteria are much faster than those from other organisms All of these the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands the DNA polymerases of these bacteria never make mistakes while replicating DNA the DNA polymerases of these bacteria are much faster than those from other organisms All of these the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA For gene probes to be useful they must None of these be large enough to contain gene-specific sequences be labeled in some manner to allow detection both (a) and (b) None of these be large enough to contain gene-specific sequences be labeled in some manner to allow detection both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA Enzymes that recognize and cleave specific 4 to 8 base pair sequences of DNA are DNA ligase helicases restriction endonucleases DNA gyrase DNA ligase helicases restriction endonucleases DNA gyrase ANSWER DOWNLOAD EXAMIANS APP
Recombinant DNA 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 All of these To produce RNA primers for replication To degrade invading phage DNA To degrade the bacterial chromosome into small pieces during replication ANSWER DOWNLOAD EXAMIANS APP
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