What is the name of the protein from which silk is made?
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Sericin, Firbroin
Silk emitted by the silkworm consists of two main proteins, sericin and fibroin, fibroin being the structural center of the silk, and serecin being the sticky material surrounding it. Fibroin is made up of the amino acids Gly-Ser-Gly-Ala-Gly-Ala and forms beta pleated sheets. Hydrogen bonds form between chains, and side chains form above and below the plane of the hydrogen bond network.
The sericin is dissolved in hot water leaving the fibroin to be made into thread, either by unravelling and winding many strands into a thread or the entire cocoon is shredded and the fibers spun into thread.
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No, silk is not considered an organic compound in the traditional sense. It is a natural protein fiber produced by certain animals such as silkworms. Organic compounds typically refer to molecules containing carbon and hydrogen atoms.
Where do you get silk flower stem silk flower?
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Silk flower stems can be purchased at craft stores, floral supply shops, or online retailers specializing in artificial flowers. They typically come in a variety of lengths, colors, and styles, making it easy to find the perfect option for your project.
What happens when you burn silk?
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It can produce hydrogen cyanide. A few parts per million and your dead!
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Silk is a naturally absorbent fabric, but it is less absorbent than some other materials like cotton. It has moisture-wicking properties that can help to keep you dry and comfortable.
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No, silk is not a hydrocarbon. Silk is a natural protein fiber produced by certain insects, such as silkworms. Hydrocarbons are compounds consisting of hydrogen and carbon atoms only.
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Silk is produced by silkworms, which are the larvae of silk moths. The silkworms create silk fibers by secreting a protein called fibroin through their salivary glands, which solidifies when it comes into contact with air. The fibers are then collected and spun into silk threads.
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Silk can be disposed of by composting or recycling. If composting, the silk can break down naturally in a compost pile. If recycling, silk can be sent to textile recycling facilities that can repurpose or recycle the material into new products. It's important to check with local recycling facilities to determine the best method for silk disposal in your area.
What is the monomer of the polymer silk?
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The monomer of the polymer silk is amino acids, specifically glycine, alanine, and serine. These amino acids bond together to form the protein chains that make up silk fibers.
What is the ingreideants found in startch for your clothes?
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Clothing starch or laundry starch is a liquid that is prepared by mixing a vegetable starch in water (earlier preparations also had to be boiled), and is used in the laundering of clothes. Starch was widely used in Europe in the 16th and 17th centuries to stiffen the wide collars and ruffs of fine linen which surrounded necks of the well-to-do. During the 19th century and early 20th century, it was stylish to stiffen the collars and sleeves of men's shirts and the ruffles of girls' petticoats by applying starch to them as the clean clothes were being ironed. Aside from the smooth, crisp edges it gave to clothing, it served a practical purpose as well. Dirt and sweat from a person's neck and wrists would stick to the starch rather than fibers of the clothing, and would easily wash away along with the starch. Then, after each laundering, the starch would be reapplied.
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The price of silk can vary depending on the quality and source, but on average, silk can cost anywhere from $40 to $100 per pound. Factors such as type of silk (mulberry silk, wild silk, etc.), production method, and market demand can influence the price.
What kind of animal is a silk worm?
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A silkworm is the larva of the silk moth, Bombyx mori. It is a domesticated insect known for its ability to produce silk.
Why did the Chinese trade silk for horses from ferghanaWhat did emperor Wi-Ti think about it?
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catipilers do get thirsty so get somthing like a dolls litill plat and add abitt of wter
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A silkworm can live up to 4 weeks and 3 days. They can live for 5 days after mating.
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Silk is spun from the fibres of the cocoon of the mulberry silkworm, the caterpillar of a type of moth. There are other species of bug which produce workable silk, but aren't generally used for textiles, though research continues. Commercial silk is strong, easily dyed and wonderfully reflective of light. So the short answer is, silk originates from a caterpillar's bottom. Did you really want to know that?
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It comes out as a adult silkworm if it is lucky or,it will eventually die.This depends.
How do you get the silk from the silk worm silkworm?
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silkworm larvae spin the silk yarn around its body. The saliva from its mouth come out and in the air it became the beautiful luster silver yarn harder than steel of its denier
What is the larva of a silk moth called?
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They are just called eggs, what hatches from them are called larva or larvae.
Why is a cocoon that produces a live silk moth useless to a silk farmer?
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If the moth hatches, it chews its way out of the cocoon, cutting all the silk fibers. for silk production, the caterpillar is killed before it hatches, so the silk strands can be unwound and remain whole.
How much silk yarn can be obtained from a cocoon?
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Catch the cocoons before the moth emerges, and soak in hot water for a time, try 30 to 60 minutes. Start pulling the 'fluff' away and you will come to one thread that starts to unravel. Put aside and do the same with your other cocoons. When you have enough threads to make a yarn of the size you want. Put all the cocoons in a bowl of water, pull the threads through the teeth of a fine comb and start winding those threads onto a cardboard 'bobbin' or old cotton real or a wool winder. Keep going until you use up all the thread. Rescue the moth chrysalis and put it in a safe dark place like a shoe box with a lid with holes in it, and allow to emerge when ready. To mate and hatch more little silk worm eggs to later give you more silk.