The word âexpediteâ simply means âto perform quicklyâ. The word itself is derived from Latin. The prefix âexâ (meaning âoutâ) and the word âpedâ (meaning âfootâ) originally came together in âexpedireâ (âfreeing the footâ), though soon afterwards someone swanned in with a âtâ and it became âexpediteâ.
The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf, and the products of photosynthesis, sugar and oxygen, leave the leaf. Cross section of a leaf, showing the anatomical features important to the study of photosynthesis: stoma, guard cell, mesophyll cells, and vein. Image from Purves et al., , 4th Edition, by Sinauer Associates (www.sinauer.com) and WH Freeman (www.whfreeman.com), used with permission.
The chloroplast is the organelle that contains the photosynthetic  pigment chlorophyll. This facilitates the conversion of carbon  dioxide, water and sunlight into sugars wh â¦ ich the plant uses for  energy (through photosynthesis).8 people found this useful.he pigments in chloroplasts, there are different colored chloroplasts depending on what type and color the plant is, absorb different types of light. Plants need the light fo â¦ r photosynthesis to occur, for the plant to live.