What Is Velocity?
Because we calculate the speed in terms of distance, we do not consider the direction when we calculate the speed.…
What Is Speed?
We frequently hear about accidents caused by vehicles moving at high speeds. Due to this reason, there are different regulatory…
Motion in a straight line
Distance and displacementDistance is a concept familiar to you. When you go from home to school, you have to travel…
Water, Minerals and Vitamins
WaterThe highest proportion of the body mass of living organisms is composed of water which is an inorganic compound. Two…
Nucleic Acids – Chemical Basis of Life
Nucleic acid is the most important molecule out of the main bio molecules in living matter in genetical aspect. It…
Lipids – Chemical Basis of Life
Fats and oils belong to this group. Lipids which are solid at room temperature are called fats and liquids are…
Proteins – Chemical Basis of LifeProteins –
Protein is an essential constituent in all living cells. Carbon(C) Hydrogen (H), Oxygen (O) and Nitrogen (N) are always present…
Chemical Basis of Life
The bodies of all organisms are composed of variety of chemical compounds. These chemical compounds are formed by the bonding…