Stem is like a street with two way traffic."" Validate the statement

Stems can be said to be like a street with two way traffic because it performs two sole functions; stem transfers water and minerals to the leaves in upward direction for the photosynthesis to take place by xylem. Also,  it transfers the food (glucose) from the leaves to other parts of the plant in downward direction by phloem.

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !

sorry, but you do not have posted the diagram.