Question

which of these is a difference between starch and glycogen?
glycogen is made of amino acids, starch is made of sugars
glycogen is found in animals, starch in plants
starch contains nitrogen, glycogen does not
starch is found in animals, glycogen in plants

Explanation:

Both starch and glycogen are polysaccharides made of sugar - glucose units. Starch is the main energy - storage polysaccharide in plants, while glycogen is the main energy - storage polysaccharide in animals. Neither contains nitrogen, and they are not made of amino acids.

Answer:

B. Glycogen is found in animals, starch in plants