Magnesium is essential for $......$ in plants.

Phosphorus works as a carrier of which of the following elements?

Which enzyme is activated by zinc?

In calcium-deficient plants,meristematic regions of the stem and root tips are greatly affected,and chlorosis of the margins of young leaves takes place. These symptoms eventually lead to the death of leaf,stem,and root apices. These observations are related to the role of calcium in plant growth as it is:

In green plants,boron is required for:

Which mineral element is present in the structure of hemoglobin,myoglobin,and cytochrome compounds?