What are restriction nucleases used for? To cleave DNA at specific DNA sequences To synthesize double stranded DNA To join-end ligate DNA fragments To remove histones from a nucleosomes To elongate DNA at the end of the chromosomes

In genetic engineering, restriction enzymes cleave the DNA at a specific site known as _____a) restrictionb) recognitionc) promoterd) sense

4. DNA sequences can be cut into smaller fragments by A. gel electrophoresis B. DNA ligase C. restriction endonucleases D. DNA polymerase

They are used in the process of insertion of genes into plasmid vectors during gene cloning and protein expression experiments. Select one: a. Restriction enzymes b. Terminal Transferase c. DNA polymerase d. Ligase

An enzyme that recognizes and cuts double stranded DNA only at a particular sequence of nucleotides is often called:Select one:a. Restriction endonucleaseb. DNA glycosylase

Which of the following technique(s) is/are involved in recombinant DNA technology? Cleavage of DNA at specific sites by restriction nucleases DNA ligation DNA cloning Nucleic acid hybridization All of the above