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.
The speed of sound is maximum in which of the following ?
Which one of the following physical quantities is the same for molecules of all gases at a given temperature?
Two identical metallic spheres are charged. One has +Q charge, the other –Q charge. They are connected by a conducting wire. After equilibrium:
...Two satellites are orbiting Earth at different altitudes. Satellite A is closer than Satellite B. Which of the following is correct regarding their spe...
Which of the following is a characteristic of the acids?
Organisms have been divided into how many kingdoms?
A conducting sphere of radius R carries a charge Q. If half of the charge is transferred to an identical uncharged sphere brought into contact and remov...
Which of the following is an example of storage leaves?
A car travels 150 kilometers in 3 hours. What is its average speed?
Which of the following is the correct term used to describe Graphite, Carbon and Diamonds?
