Carotenoids are fat soluble pigments, meaning they do not readily dissolve readily in water. Instead, they are usually found attached to proteins or membranes in the chloroplasts.
Where are carotenoids pigments found in the chloroplast?
There are a group of pigments called carotenoids, which unlike chlorophyll, are different shades of yellow and orange. Carotenoids reside with the two types of chlorophylls in the thylakoid membrane.
Are carotenoids in chloroplasts?
Chloroplasts define plants and are the photosynthetic plastids in green tissues. Abundant carotenoids are localized in chloroplast thylakoid membranes for photosynthesis and photoprotection.
Where are carotenoids located?
Carotenoids are yellow, orange, or red pigments synthesized by many plants, fungi, and bacteria. In plants, carotenoids can occur in roots, stems, leaves, flowers, and fruits. Within a plant cell, carotenoids are found in the membranes of plastids, organelles surrounded by characteristic double membranes.
Are carotenoids found in chromoplasts?
Carotenoids are pigments that occur naturally in chromoplasts of plants and in some other photosynthetic organisms, such as algae, some types of fungus, and some bacteria. There are over 600 known carotenoid compounds, which are divided into two classes, xanthophylls and carotenes (Figure 17.4).
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