a crystal has a regularly repeating arrangement of atoms
The smooth endoplasmic reticulum functions in many metabolic processes. It synthesizes lipids, phospholipids as in plasma membranes, and steroids.
B represents the growth shown in plants without fertilizer even in similar conditions. Experiment B is important because it helps bring the experiment to a conclusion that plants react better with fertilizer when growing in it’s early stages.
The small intestine has cilia to absorb nutrients and reabsorb water