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What is the difference between the annealing temperature and the melting temperature in the context of polymer processing?
The annealing temperature is the temperature at which a polymer is heated to relieve internal stresses and improve its properties, without melting it. The melting temperature is the temperature at which a polymer transitions from a solid to a liquid state. In polymer processing, annealing temperature is used to improve the polymer's structure, while melting temperature is when the polymer becomes a liquid for shaping.
True or false glucose stores hereditary information that can be used to make proteins?
False. Glucose is a simple sugar that is primarily used for energy production in cells. Hereditary information for making proteins is stored in DNA.
Which organic compound stores hereditary material?
Transmitting genetic info...sounds kind of like genes right? what kind of molecules are used in that? .. .. DNA and RNA of course! DNA is the "primary" genetic information holder. It is sort of like a book, in that stores all the blueprints for making life live. It stands for deoxyribonucleic acid, which is just a long word for a special-sugar-without-an-oxygen-in-the-nucleus. RNA, or ribonucleic acid, is very similar. However, your cells primarily use it as a working copy of the blueprint for life, and is used in this manner to make protein. It is also used though as hereditary material in some viruses like HIV and HTLV though.
What structural material is used in the cell walls of plants?
Cellulose is the main structural material used in the cell walls of plants. It is a complex carbohydrate polymer made of repeating units of glucose molecules. Cellulose provides strength and rigidity to plant cell walls, allowing them to maintain their shape and structure.
How did the Hershey and Chase experiment produce evidence that DNA and not protein is the hereditary material and viruses?
They found that all of the viral DNA and little of the protein had entered E. coli cells. Then they concluded that DNA is the hereditary molecule in viruses.
What is the definition of corian?
Corian is a solid surface material used for countertops, sinks, and other applications in both residential and commercial settings. It is a blend of acrylic polymer and natural minerals, known for its durability, versatility, and seamless appearance. Recommended: ₕₜₜₚₛ://www.dᵢgᵢₛₜₒᵣₑ₂₄.cₒₘ/ᵣₑdᵢᵣ/₃₄₉₁₁₃/ᵥᵢₖₐₛbₐbbₐᵣ₀₀₁/
Is polymer grade ethylene same as the polyethylene?
No, it's not the same thing. Ethylene is a gas used to produce polyethylene (solid). "Polymer grade" is just a purity label for ethylene gas, means that this ethylene is pure enough to be used in polyethylene (or other polymer) production.
What synthetic polymer is used to make plastic bags and squeeze bottles?
Polyethylene is the synthetic polymer commonly used to make plastic bags and squeeze bottles. It is a versatile and widely used material due to its durability and flexibility.
What type of polymer is a plastic slinky made from?
A plastic slinky is typically made from a type of polymer called polyethylene, which is a versatile and durable material commonly used in various plastic products.
What is a 'dry polymer'?
A dry polymer is one that is not in solution. they are used where moisture would create an issue. Sometimes dry polymer powder is added to cement so that when the cement is hydrated to make concrete, the dry polymer is hydrated at the same time. If a wet polymer, or polymer solution were used, it would react with the cement and make it unusable.
What is a non conducive polymer?
You may be thinking of a non conductive polymer, which is a plastic. It is also possible for a polymer to be non conducive, but if so, then you have to say to what is the polymer not conducive. Be more specific.
What industries have polymer jobs available?
Polymer jobs mostly refer to chemists who create new polymers in labs in order for stronger and better material to be used in everyday materials. The truth is, any job ranging from fabric creation to recycling product creation is in need of polymer chemists.
What is pHEMA?
pHEMA is an abbreviation of the polymer poly(2-hydroxyethyl methacrylate). This material forms hydrogen in water and was first used in optical implant.
The name of the plastic polymer from which combs toys bowls are made is?
The plastic polymer commonly used in combs, toys, and bowls is polypropylene (PP). It is a durable and versatile material that is known for its resistance to heat and chemicals, making it ideal for a wide range of applications.
What is one polymer?
Polyethylene is a common polymer that is widely used in everyday products like plastic bags, bottles, and containers. It is a versatile material known for its durability and resistance to chemicals and moisture.
What is polyvinyl plastic used for?
it is one of the polymer family which makes it a polymer
What is composite material and its composition in b-2 bomber?
A composite material is a material made up of two or more distinct components that combine to create a new material with enhanced properties. In the B-2 bomber, the primary composite material used is a carbon-fiber-reinforced polymer, which consists of carbon fibers embedded in a polymer matrix. This material is valued for its strength-to-weight ratio, making the aircraft lighter and more agile.
