21.
Which of the following statement is incorrect?

22.
RF =

25.
Which statement about restriction enzymes are false?

28.
If the linear double stranded genomic DNA of bacteriophage T4 is heated and cooled, one gets both linear and circular molecules because,

29.
The restriction end onuclease Eco521 recognizes the sequence C/GGCGG and cuts between the first C and the first G, indicated by the slash. DNA cut by which of the following enzymes (given with their recognition sequences and cut sites) could be cloned into a plasmid digested with Eco521?

30.
The genome sequencing of rice is important because