Glycogen is stored in the liver.
Answer:
Rhodopsin is the photopigment in rods.
It's the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development.
1. add heat and components with lower boiling points will evaporate while heavier molecules will turn back into liquid
2. vapor reaching the top of the column is collected in an industrial condenser
3. substances remaining the the column continue the process