What is digested in the small intestine including the nutrients, substance, enzyme and final product of the thing being digested

Explain why phospholipid molecules form a bilayer. (3 marks)

If animal agriculture was eliminated, how much grain would become available for human consumption?

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material