Name 2 essential biological molecules in which oxygen is present
Oxygen is present in all organic molecules like glucose (carbohydrates), proteins, vitamins, fats.
Name the two biological molecules in which g oxygen and nitrogen are present
Name the two important biological processes in which air is essential.
Name two biological compounds of which nitrogen is an essential component
Carbohydrates are essential for life in both plants and animals. Name the carbohydrates that are used as storae molecules in plants and animals, also name the carbohydrate which is present in wood or in the fibre of cotton cloth.