What do glucose, starch, and cellulose have in common? (multiple choice answer)

-they are various forms of sugar

-they are various forms of proteins

-they are all carbohydrates

-they are all related to photosynthesis

The correct answers are ‘they are various forms of sugar’, ‘they are all carbohydrates’ and ‘they are all related to photosynthesis’. For example, during photosynthesis, plants make glucose, which is converted into starch and used to make cellulose.