Evolution
14 Jan 2008 One of the fundamental concepts of biology is the idea that the present diversity among organisms developed slowly from ..- 179
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Sickle cell
14 Jan 2008 This is a genetic disease in which abnormal haemoglobin known as haemoglobin S of the red blood cell crystallize under l..- 159
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The Wonder of Birds
14 Jan 2008 “A bird is to me as wonderful as the stars,” said a famous ornithologist. To lean something about a bird is to make ac..- 176
health
A Balanced Diet?
08 Jan 2008 A balanced diet: Is a meal containing adequate amounts of carbohydrates, proteins, fats , vitamins, mineral salts, water..- 809
health
Testing For Proteins
08 Jan 2008 A) Biuret test 1. To 2 cm3 of egg albumen or milk in a test tube add 1 cm3 of sodium hydroxide solution. 2. Add 1% co..- 499
health
Testing For Carbohydrates
08 Jan 2008 A) Test for reducing sugars 1. Place 1 cm3 of glucose solution in a test tube. Add 2 cm3 of Benedict’s of Fehling’s sol..- 416
health
Mineral Salts
08 Jan 2008 The body of every mammal contains many mineral elements which play specific roles in metabolic processes. They are inges..- 440
health
Test For Vitamin C
08 Jan 2008 Ascorbic acid can be detected by using the dye dichlorophenolindophenol (DCPIP). The blue DCPIP is decolourised on reduc..- 473
