Which of the following bacteria is not a source of restriction endonuclease?

Hint—   Small vesicles associated with plasma membrane

(c) toxin is inactive: In bacteria, the toxin is present in an inactive form, called prototoxin, which gets converted into active form when it enters the body of an insect.

If the restriction enzymes would cut DNA at random sites instead of at specific sites, then the DNA fragments obtained will not have ‘sticky ends’. In the absence of sticky...

The sources of water in my locality are groundwater through handpump and the municipality supply. Sometimes, especially in summer season, water from these sources becomes scant. In my locality, water...

In our locality water is available from the following sources:  Through pipe line supply by municipal corporation department to the houses.  People also obtain water from hand pumps installed nearby.

(i) Available in enormous amount in nature all the time. (ii) Easy to store and transport. (iii) It should be economical and easily accessible.

(c) The wavelength of the sound in the medium towards the observer is decreased. EXPLANATION:  When the source of sound moves towards an observer neither the frequency of the sound nor the...

c. Prevention of the multiplication of bacteriophage in bacteria

c. Deoxyribonuclease

c. It is isolated from viruses