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What is an archaerhodopsin?
An archaerodopsin is any of a group of proteins, isolated from halobacteria, which are light-driven proton pumps.
Which photosynthetic pigment is found in bacteria but is lacking in all other photosynthetic organisms?
Another important photosynthetic bacterial group-Halobacteria thrive in very salty environments, such as the Dead Sea and the Great Salt Lake. Halobacteria are unique in that they perform photosynthesis without chlorophyll. Instead, their photosynthetic pigments are bacteriorhodopsin and halorhodopsin. These pigments are similar to sensory rhodopsin, the pigment used by humans and other animals for vision. Bacteriorhodopsin and halorhodopsin are embedded in the cell membranes of halobacteria and each pigment consists of retinal, a vitamin-A derivative, bound to a protein. Irradiation of these pigments causes a structural change in their retinal. This is referred to as photoisomerization. Retinal photoisomerization leads to the synthesis of ATP. Halobacteria have two additional rhodopsins, sensory rhodopsin-I and sensory rhodopsin-II. These compounds regulate phototaxis, the directional movement in response to light.
2 stimuli that a plant would respond to?
A plant would respond to light by growing towards a light source through phototropism. It would also respond to touch or contact by curling its leaves to avoid or protect itself from potential harm through thigmotropism.
Does oxygen produce light?
Essentially oxygen does not produce light ... light itself is an energy, and cannot be created only changed
Could the moon light up by itself?
no because the sun reflects light on to the moon
What is an archaerhodopsin?
An archaerodopsin is any of a group of proteins, isolated from halobacteria, which are light-driven proton pumps.
What do halobacteria eat?
Halobacteria are photoheterotrophic organisms, meaning that they use light for energy, but can't use carbon dioxide as their sole carbon source. Therefore, they use other organic compounds from the environment (such as carbohydrates, alcohols, or fatty acids) for their carbon requirements.
Is halobacteria aerobic?
Halobacteria are primarily anaerobic microorganisms that thrive in extremely salty environments, such as salt flats and saltwater bodies. They utilize light-driven processes for energy, often relying on a unique photosynthetic pigment called bacteriorhodopsin. While they can tolerate oxygen and may exhibit some aerobic metabolic processes, they do not require oxygen for growth or survival.
Where can you get light of destruction cards in 2010?
You can get a pack of Light of Destruction cards in the Twilight Edition box sets.
What is the set after light of destruction?
The Duelist Genesis
Which photosynthetic pigment is found in bacteria but is lacking in all other photosynthetic organisms?
Another important photosynthetic bacterial group-Halobacteria thrive in very salty environments, such as the Dead Sea and the Great Salt Lake. Halobacteria are unique in that they perform photosynthesis without chlorophyll. Instead, their photosynthetic pigments are bacteriorhodopsin and halorhodopsin. These pigments are similar to sensory rhodopsin, the pigment used by humans and other animals for vision. Bacteriorhodopsin and halorhodopsin are embedded in the cell membranes of halobacteria and each pigment consists of retinal, a vitamin-A derivative, bound to a protein. Irradiation of these pigments causes a structural change in their retinal. This is referred to as photoisomerization. Retinal photoisomerization leads to the synthesis of ATP. Halobacteria have two additional rhodopsins, sensory rhodopsin-I and sensory rhodopsin-II. These compounds regulate phototaxis, the directional movement in response to light.
Does exposure to ultraviolet light lead to destruction of riboflavin?
Yes, riboflavin is sensitive to ultraviolet light, which can degrade and break down the molecules of riboflavin. Therefore, prolonged exposure to UV light can lead to the destruction of riboflavin.
Is halobacteria a decomposer?
Halobacteria, a group of extremophilic Archaea that thrive in high-salinity environments, are not typically classified as decomposers in the traditional sense. Instead, they primarily utilize light and certain organic compounds for energy through processes like halophilic photosynthesis. While they can play a role in nutrient cycling within their ecosystems, their main function is different from that of typical decomposers, which break down dead organic matter. Thus, while they contribute to the microbial community, they do not fit the classic definition of decomposers.
Is UV light a carcinogen?
UV light itself is not a carcinogen, but it can cause mutations in DNA that may lead to skin cancer. Prolonged exposure to UV light from the sun or tanning beds can increase the risk of developing skin cancer. It is important to protect your skin from UV light by wearing sunscreen and protective clothing.
Is flourecent light a matter?
The light itself is the same as any light and is not matter.
How can you protect yourself from UV light on earth?
You can protect yourself. You have to wear sunscreen.
How do you get judgment dragon?
light of destruction booster pack, gold series 3
