What is meant by pyranose ring of glucose ?

What is essentially the difference between alpha -glucose and beta -glucose ? What is meant by pyranose structure of glucose ?

(a) What is essentially the difference between alpha -form of glucose and beta -form of glucose? What is meant by pyranose structure of glucose? (b) Describe what you understand by primary and secondary structure of proteins.

What is essentially the difference between alpha- glucose and beta- glucose ? What is mean by pyranose structure of glucose ?

What is meant by empowerment?