Phagocytosis enhanced by coating the surface of antigen is called________?

Negative staining is used to demonstrate________?

Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are________?

Which of the following viruses appears to be involved in the pathogenesis of Kaposi’s sarcoma________?

Culture medium for corynebacterium diphtheria________?

T cells multiplication is stimulated by________?