Question

which sugar occurs only in mammals​

Answer 1

Answer:

Lactose - milk sugar

Disaccharide Sugar 1 Natural Occurance

Lactose glucose Milk of mammals only

Sucrose glucose fruits, cane, maple, beet

Trehalose glucose yeasts and fungi

Maltose glucose digestion of starch by mal

Answer 2

Answer:

Glucose (also called dextrose) is a simple sugar with the molecular formula C6H12O6. Glucose is the most abundant monosaccharide,[3] a subcategory of carbohydrates. Glucose is mainly made by plants and most algae during photosynthesis from water and carbon dioxide, using energy from sunlight. There it is used to make cellulose in cell walls, which is the most abundant carbohydrate.[