24.
									
										Out of the following mentioned chemical reactivity, which one best describes the action of DNA ligases;
									
								
															
														
																									
										A:
											 DNA ligase is a polymerase
									
																										
										B:
											 DNA ligase catalyzes oxidation –reduction reaction 
									
																										
										C:
											 DNA ligase catalyzes formation of a phophoester bond 
									
																										
										D:
											DNA ligase catalyzes the hydrolysis of a peptide bond
									
																								 
							
																
									The answer is:
										C
									
								
														
							
								
								
							
							
							
								