Smooth ER (Smooth endoplasmic reticulum) is a structure (cell organelle) which is primarily associated with the synthesis of proteins, lipids, phospholipids and steroids.
Explanation:
Hypogeal germination is when the plant is germinated under the ground. An example of this would be the pea plant.
epigeal germination is the opposite of that. Germination takes place above the ground. normal bean plants have epigeal germination
you didn't list choice but i'm guessing chloroplasts
changes of state are physical changes. they occur when matters absorb or loses energy. processes in which matter changes between liquid and solid states are freezing and melting period processes and which matter change between liquid and gases states are vaporization, evaporation, and condensation
