Question
The macronutrient which is a structural component of
the cell wall and activates the enzymes isSolution
Calcium  activities enzymes, is a structural component of cell walls, influences water movement in cells and is necessary for cell growth and division. Some plants must have calcium to take up nitrogen and other minerals. Calcium is easily leached.
Who discovered the electron?
Which vitamin is essential for RBC formation?
Food cans are coated with tin and not with zinc because
Which of the following methods is suitable for preventing an iron frying pan from rusting?
The dimensions of angular momentum are:
Who discovered the cell for the first time?
Bakelite is a polymer which is used in the manufacturing of buckets and electrical switches. What are the monomers of bakelite?
Which of the following glands is both endocrine and exocrine?
Tear gas used by the police to disperse the mob contains –
A neutral atom has 9 electrons and mass number is 19. What is the number of neutrons in the atom?
