Question: What is the leaves made off?

Anna Gardner answered on 21 Jun 2019:

Leaves are made of thousands of plant cells. While we are made of thousands of animal cells, plants cell differ because they have a cell wall and chloroplasts that we do not have. Cell walls are needed because they provide structure, support, and protection for the cell. Chloroplasts contain chlorophyll, this is a pigment needed for the process of photosynthesis (the process of how plants can make food for themselves). The leaves themselves are made of carbohydrates (sugars). Specifically the leaves are made of ‘Cellulose’ (anything with -ose at the end is a sugar) and ‘Starch’ (also a sugar). Cellulose is the sugar responsible for structure (e.g. stems or cells) and starch is the sugar that is used for storing energy (like our fat stores). Leaves are made up of a central vein (called the mid-rib) that has lots of smaller veins coming off- these are like little motorways that transport sugar and water. Leaves also have stomata (holes on the underside of the leaf) and a waxy cuticle (to prevent them drying out).