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The light-harvesting (or antenna) complex of plants is an array of protein and chlorophyll molecules embedded in the thylakoid membrane which transfer light energy to one chlorophyll a molecule at the reaction center of a photosystem.

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11y ago
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15y ago

They are the light pigments that capture light in ranges other than chlorophyll a and passes this light energy on to chlorophyll a at the reaction center.

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13y ago

to harvest photons and transfer light energy to the reaction-center chlorophyll

They are called photosystems :)

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12y ago

Harvest photons and transfer light energy to the reaction center chlorophyll

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11y ago

located in the thylakoid membranes, the antenna pigment molecules harvest photons and transfer energy from light to the reaction-center chlorophyll

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13y ago

It protects and make the process of photosynthesis.

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Q: What is the main role of pigment molecules within the antenna or light harvesting complex?
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What event accompanies energy absorption by chlorophyll or other pigment molecules of the antenna complex?

The event that accompanies energy absorption by chlorophyll or other pigment molecules of the antenna complex is the excitation of electrons. When light energy is absorbed by the pigment molecules, their electrons get excited to a higher energy state. This excited state is essential for the subsequent transfer of energy to the reaction center of the photosystem for further processing.


Where do electrons get their in photosystem 1?

In very general terms, electron transfer is caused by photoexcitation of the pigment molecules in the antenna complex. The chlorophyll and carotenoid molecules in the antenna complex become photoexcited when they absorb any wavelengths of visible light and then transmit resonant energy.


The antenna system of a plant that gathers the solar energy consists of?

A plant's antenna system consists of pigment molecules that are closely packed. The pigment molecules gather solar energy for the plant.


Where do electrons get their energy in photo system 1?

In very general terms, electron transfer is caused by photoexcitation of the pigment molecules in the antenna complex. The chlorophyll and carotenoid molecules in the antenna complex become photoexcited when they absorb any wavelengths of visible light and then transmit resonant energy.


What is light harvesting?

light harvesting is a set of photosynthetic pigment molecules that absorb light and channel the energy to the photosynthetic reaction centre, where the light reactions of photosynthesis occur.


What pigment molecules absorb a photon and pass the energy to the reaction-center complex?

chlorophyll


Clusters of pigment molecules?

the cluster of pigment molecules is a photosystem.


Does respiration require pigment molecules?

noGenerally no. But in complex animals,they use pigments for gas transportation. Hemoglobin in animals is an example


Which molecule is made during the light-dependent reactions?

Photosystems are the light-harvesting units of the thylakoid membrane.Each photosystem is a complex of proteins and other kinds of moleculea and includes an antenna consisting of a few hundred pigment molecules. When any antenna molecule absorbs a photon, the energy is transmitted from pigment molecule to pigment molecule until it reaches a particular chlorophyll a.Only this chlorophyll molecule is the reaction center and the first light-driven chemical reaction of photosynthesis occures.


What molecules absorb light?

All molecules will absorb light to a greater or lesser degree


What organelle has light absorbing molecules?

Pigment


What is the job of pigment molecules such as chlorophyll?

gh