Lysozyme that is present in perspiration, saliva and tears, destroys
certain fungi
certain types of bacteria
all viruses
all viruses
B.
certain types of bacteria
Lysozyme is an enzyme that breaks down bacterial cell walls and provides protection against bacterial invasion in the skin, mucous membranes and many body fluids. It is found in tears, sweat and saliva.
What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?
The larger the fragment size, the farther it moves
The smaller the fragment size, the farther it moves
Positively charged fragments move to farther end
Positively charged fragments move to farther end
A gene whose expression helps to identify transformed cell is known as
Selectable marker
Vector
Plasmid
Plasmid
Restriction endonuclease
cuts the DNA molecule randomly
cuts the DNA molecule at specific sites
restricts the synthesis of DNA inside the nucleus
restricts the synthesis of DNA inside the nucleus
During DNA replication, Okazaki fragments are used to elongate
The leading strand towards replication fork
The lagging strand towards replication fork
The leading strand away from replication fork
The leading strand away from replication fork
