The chloroplast diagram below represents the chloroplast structure mentioning the different parts of the chloroplast. Chloroplasts are green plastids with internal thylakoid membranes that carry out photosynthesis, in addition to synthesis of many metabolites. Chloroplasts are cell organelles found only within the cells of plants and algae. Chloroplasts Up Close. Chloroplasts absorb sunlight and use it in conjunction with … Essentially, chloroplasts are plastids found in cells of higher plants and algae as sites of photosynthesis. Chloroplasts are a type of plastid distinguished by their green color the result of specialized chlorophyll pigments. Chloroplasts have evolved into their function of absorbing sunlight and carrying out photosynthesis reactions. Chloroplasts will sometimes move around within the cell in order to position themselves to where they can best absorb sunlight. Chloroplasts. This makes them the most important cell organelles as plants are the primary producers and the base of … It is the primary pigment in photosynthetic plants. organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis. The Chloroplast. Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis . Chloroplasts absorb sunlight and use it together with carbon dioxide and water to form sugars which the plant or algae uses as food. The word chloroplast is derived from the Greek words chloros, which means green, and plastes, which means “the one who forms”. Chloroplasts are usually disk-shaped in plants and have the ability to reorient their position within a cell to change their exposure to sunlight. ; Chloroplasts are a type of membrane-bound plastids that contain a network of membranes embedded into a liquid matrix and harbor the photosynthetic pigment called chlorophyll. A chloroplast is a basic organelle that in a sense is one of the most important organelles to us, and we don't even have them! In plants choloroplasts occur in all green tissues. The most abundant protein in chloroplasts is the protein Rubisco. Rubisco is likely the most abundant protein in the world. The "chloro" in chloroplast comes from the Greek word chloros (meaning green). Chloroplasts: Theaters for Photosynthesis. Other plastid types do not carry out photosynthesis and hence do not produce molecular oxygen. Sunlight. A form of energy used in photosynthesis. Inside chloroplasts are special stacks of pancake-shaped structures called thylakoids (Greek thylakos = sack or pouch). A mixture of all the different colors of visible light. Thylakoids have an outer membrane that surrounds an inner area called the lumen. 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