The given blank can be filled with the endoplasmic reticulum.
Explanation:
A composite network of tubular membranes found inside the cytoplasm of the eukaryotic cell that is basically involved in the transportation of substances is known as ER or endoplasmic reticulum.
Generally, the ER is the system of transportation in the eukaryotic cell and can be basically illustrated as a membrane network found inside the cytoplasm of the cells taking part in the process of modification, synthesis, and transport of cellular substances.
A line of thunderstorms in the provides moisture and nitrogen to the crops. The energy in the lightning breaks the N2 molecules apart so they can combine with the oxygen to make nitrogen oxides that can be dissolved in the rain. These forms of nitrogen are essential nutrients for plants. Rain from these storms provide far more to the crops than an equal amount of irrigation can do.
There are only two large rocky moons in the Solar System: the Earth's Moon and Io. The other moons have interiors with a varying ratio of ice : rock, and have surfaces that are made almost entirely of ice.
