DNA Sequencing, Mutation and Repair
The promoter on an expression vector used to overproduce proteins in bacteria is

a bacterial promoter
not a regulated promoter
the natural promoter of the gene being cloned
expressed both in bacteria and mammalian cells

ANSWER DOWNLOAD EXAMIANS APP

DNA Sequencing, Mutation and Repair
Due to which of the following DNA repair mechanisms, one is able to distinguish newly synthesized DNA strands from older one?

New strands are methylated while old strands are not
New strands are lower in molecular size
Old strands are methylated while new strands are not
New strands do not contain cytosine bases

ANSWER DOWNLOAD EXAMIANS APP

DNA Sequencing, Mutation and Repair
The whole-genome shotgun sequencing approach depends primarily on

sequencing the bacterial chromosome while it is still intact
All of these
rapidly sequencing thousands of small randomly cloned fragments
methodical sequencing a few large cloned fragments of DNA

ANSWER DOWNLOAD EXAMIANS APP

DNA Sequencing, Mutation and Repair
A mutagen is defined as

an enzyme that repairs mutations
a molecule which stabilizes DNA thus prevents mutations from occurring
an inhibitor of gene modification
a chemical or physical agent that induces mutations

ANSWER DOWNLOAD EXAMIANS APP