Water, Water Water usually forms about 50% to90% part of living protopl...

Water Water usually forms about 50% to90% part of living protoplasm. Life upon earth originated in the ocean and the conditions of that aqueous primeval environment have been r

Procedures for diagnosis - isolation of etiological agent, Isolation and id...

Isolation and identification of the etiological agent: Isolation of the etiological agent is attempted in chicken embryos, cell cultures, laboratory animals, culture medi

Criteria of essentiality, Criteria of Essentiality Amon and Stout as e...

Criteria of Essentiality Amon and Stout as early as 1939, suggested certain criteria that an element must fulfil in order to be classified as essential. These criteria are lis

Why are pteridophytes more common in humid places, Q. Why are pteridophytes...

Q. Why are pteridophytes more common in humid places? Pteridophytes are more common in humid places since they depend on water for their gametes to fecundate one another. In hu

Define absorption of dietary iron, Define Absorption of Dietary Iron? H...

Define Absorption of Dietary Iron? Haem iron is more bioavailable than non-haem iron because it is absorbed intact as a soluble complex by endocytosis (process whereby cells ab

Describe the functional problems of implant failures, Functional Problems o...

Functional Problems of implant failures The masticatory efficiency of the implant supported prosthesis depends on the anchorage related factors and the prosthesis related fact

ZOLOGY, The destruction of the ozone layer may be responsible for an increa...

The destruction of the ozone layer may be responsible for an increase in

Causes of cancer, Causes of Cancer We know earlier that a malignant tu...

Causes of Cancer We know earlier that a malignant tumor is a large aggregation of cancer cells, all of them descended from a single founder cell that was once a normal cell wi

Obelia economic importance,

Meaning of cellular secretion, Cell secretion is the elimination to the ext...

Cell secretion is the elimination to the exterior of substances formed by the cell (for example, hormones, mucous, sweat, etc.)