The movement of food substances from the stems to growing tissues and storage tissues is called:

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

Why is the melting of ice a physical change ?

Which statement best describes what happens when molecular compounds melt