Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (a-e) make it useful as a storage material?
(i). easily translocated
(ii). chemically non-reactive
(iii). easily digested by animals
(iv). osmotically inactive
(v). synthesized during photosynthesis
The useful properties are:

The reducing end of the glycogen molecule:
1. is the end of the molecule containing a free carbon number one on glucose
2. are the end of the molecule other than containing a free carbon number one on glucose
3. are the ends of the alpha (1-6) branches
4. glycogen does not have a reducing end