Give an example of an halogen.

Speeches or performances given by comedians are usually

If tan (-45o) = cos x, the value of x is

The etiological agent for African sleeping sickness is

If sin 60o = cos x, the value of x is

Which of the following medications reverses the effects of Heparin?

Blue-green algae are photosynthetic prokaryotes and their proper name is 

What is a characteristic of the cell wall of Gram-positive bacteria?

7pi/4 converted to degrees is

A microbial community that grows on a surface, and is held together with secretions produced by the prokaryotic organisms, is called a(n) _______ .