- Polymers are important materials used in various industries such as transportation, construction, consumer plastics, coatings, sustainable energy generation, clean water, and defense and security. - The increasing demand for polymers requires the development of sustainable and innovative strategies for the polymer industry. - The use of biomass, such as plant fibers and biopolymers produced from natural resources or microorganisms, is being explored in numerous applications and industries. - Starch is a cheap polysaccharide with great potential for solid plastic and other functional polymer applications. - Starch is synthesized by plants and is mainly found in cereals, root tubers, fruits, and legumes. - Starch is widely used in various industries such as food, adhesives, paper binders, textiles, chemical production, and feedstock for fermentation. - Starch has physical, chemical, and functional properties that make it appealing for advanced and functional material applications. - Modifications of starch can result in generating novel polymers with numerous functional and value-added properties that suit the needs of the industry. - Starch nanoparticles can be produced in smaller sizes and used to improve the functional properties of starch. - Plant biomass is considered the main source of renewable carbon raw materials, which is a viable alternative to crude oil and natural gas and provides compounds with a low carbon footprint. - The move of the polymer industry to renewable plant materials will contribute to solving global environmental problems and ensure the sustainability and environmental safety of plastics product . translate in persian

Starch is a naturally occurring polysaccharide, primarily found in a wide variety of plants. It plays a crucial role in the human diet as a significant source of energy. Structurally, starch is composed of two types of glucose polymers, amylose and amylopectin. Amylose is a linear polymer of glucose units linked by α-1,4 glycosidic bonds, while amylopectin is a branched polymer with α-1,6 glycosidic bonds at the branch points in addition to the α-1,4 linkages. The unique structure of starch allows it to be processed into a range of derivatives with different properties and functionalities. These derivatives are produced by physical, enzymatic, or chemical modifications of the starch molecule. The modifications can alter the solubility, viscosity, gelatinization, and retrogradation properties of the starch, making it suitable for various applications in the food, pharmaceutical, and other industries. Examples of starch derivatives include modified starches, dextrins, cyclodextrins, and glucose syrups. ترجمه کن

Glucose polymers are present in all the following polysaccharides with the exceptionof (a) inulin (b) starch (c) amylose (d) glycogen

Starch and cellulose are natural polymers found in plants. How are they made?From sucrose monomers joined in condensation polymerisationFrom glucose monomers joined in condensation polymerisationFrom fructose monomers joined in condensation polymerisationFrom glucose monomers joined in addition polymerisation2Which monomers join by condensation polymerisation to form polypeptides? Carboxylic acidsAmino acidsGlucoseNucleotides3What are the two functional groups in amino acids?‒NH2 and ‒COOH‒C=C and ‒COOH‒NH2 and ‒OH‒NH2 and ‒C=C4What is the word equation for the formation of a polypeptide made only from glycine – the simplest amino acid?poly(glycine)n → n(glycine) + n(water)n(glycine) → poly(glycine)n + n(water) n(glycine) → poly(glycine)npoly(glycine)n → n(glycine)5What are the monomers in a DNA molecule?PeptidesNucleotidesAmino acidsPhosphates6What does a nucleotide consist of?Protein-sugar-baseSugar-phosphate-baseAmino acid-sugar-baseProtein-phosphate-base

Polysaccharides include:a.Starch, glycogen, and fiber.b.Sucrose, fructose, and glucosec.Galactose, starch, and glycogen.d.Lactose, maltose, and glycogen.

Starch and glycogen are both polymers of:Answers: A. α-glucose because this is the most predominant anomer of glucose in the polysacchardesB. β-glucose because this is the most predominant glucose anomer in the polysaccharidesC. glucose1-phosphate because this is released from the polysaccharides during glycogenolysisD. sucrose because this is a disaccharide that helps forms branches in the polysaccharidesE. lactose because this is a disaccharide that helps forms branches in the polysaccharides