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Questions and Answers
What must plants do to use the energy in sunlight?
They must trap the light energy.
What is a pigment?
The molecule that absorbs light for the plant.
What is chlorophyll a?
It is found in all plants and is a major photosynthetic pigment. It captures the energy found in red and blue wavelengths of light and uses it to produce glucose during photosynthesis.
What are accessory pigments?
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How do plants get energy?
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Why do leaves change color in the fall?
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What is the purpose of pigments in the chloroplasts?
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Study Notes
Plant Energy Utilization
- Plants must trap light energy from sunlight to utilize it effectively for growth and photosynthesis.
Pigment Definition
- A pigment is a molecule that absorbs light, crucial for photosynthesis in plants.
Chlorophyll a
- Found in all plants, chlorophyll a is the primary photosynthetic pigment.
- Captures energy from red and blue light wavelengths, converting it into glucose during photosynthesis.
Accessory Pigments
- Accessory pigments, including chlorophyll b and carotenoids, absorb different light wavelengths.
- These pigments transfer energy to chlorophyll a and help protect plant cells from sunlight damage.
Energy Acquisition
- Plants acquire energy primarily through the process of photosynthesis.
Leaf Color Change
- Leaves change color in the fall due to temperature drops that affect pigment visibility and composition.
Role of Pigments in Chloroplasts
- Pigments in chloroplasts, especially chlorophyll a, are essential for capturing energy from red and blue light wavelengths to produce glucose through photosynthesis.
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Description
Dive into the fascinating world of plant pigments with these flashcards. Discover essential terms like chlorophyll and understand how plants capture sunlight for photosynthesis. Perfect for students learning about plant biology and ecology.
