AP BIOLOGY

Detailed explanation-1: -Carotenoids reside with the two types of chlorophylls in the thylakoid membrane. Carotenoids are important because they can absorb certain wavelengths of light that chlorophylls cannot. These are the structures that cause leaves to appear orange and yellow.

Detailed explanation-2: -Photosynthetic pigments, such as chlorophyll a, chlorophyll b, and carotenoids, are light-harvesting molecules found in the thylakoid membranes of chloroplasts.

Detailed explanation-3: -There are many different types of pigments in nature, but chlorophyll is unique in its ability to enable plants to absorb the energy they need to build tissues. Chlorophyll is located in a plant’s chloroplasts, which are tiny structures in a plant’s cells.

Detailed explanation-4: -Within chloroplasts, chlorophyll is the pigment that absorbs sunlight. It is stored in the thylakoid membranes in protein complexes called photosystem I and photosystem II.

Detailed explanation-5: -Plants have a chloroplast with thylakoid membranes-which consists of photosystems I (PSI) and II (PSII)-that are connected by the cytochrome b6f complex.