DNA Structure and Replication What is the range of melting point temperatures (Tm) for most DNA molecules? 80 to l00°C 70 to 90°C 60 to 80°C 50 to 60°C 80 to l00°C 70 to 90°C 60 to 80°C 50 to 60°C ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of high temperature and Ca++ low temperature and Ca++ low temperature and Mg++ high temperature and Mg++ high temperature and Ca++ low temperature and Ca++ low temperature and Mg++ high temperature and Mg++ ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Number of times the two DNA strands are interwined in circular DNA and is known as linking number none of these twisting number helix frequency linking number none of these twisting number helix frequency ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication DNA polymerases I also has 3'-5'exonuclease activity both (a) and (b) 5'-3' endonuclease activity 5'-3' exonuclease activity 3'-5'exonuclease activity both (a) and (b) 5'-3' endonuclease activity 5'-3' exonuclease activity ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication What is the approximate size (in kb) of the E. coli genome? 4500 kilobase 6500 kilobase 3000 kilobase 5500 kilobase 4500 kilobase 6500 kilobase 3000 kilobase 5500 kilobase ANSWER DOWNLOAD EXAMIANS APP
DNA Structure and Replication Proteins which help to open the double helix for DNA synthesis are ligase single stranded binding proteins DNA helicases DNA topoisomerase ligase single stranded binding proteins DNA helicases DNA topoisomerase ANSWER DOWNLOAD EXAMIANS APP