Which of the statements about carbohydrates is INCORRECT?A. Carbohydrates are hydrates of carbon.B. Carbohydrates exist in the linear or cyclic forms.C. Carbohydrates are polymers of monosaccharides linked by etherbonds.D. Carbohydrates are polymers of polyhydroxy aldehydes or ketones.E. Carbohydrates are polymers of the same type of monosaccharide orat least 2 different types of monosaccharide units.

Carbohydrates: a. Carbohydrates are the most abundant biomolecules that are made of important key…

Answered: Which of the statements about…

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter2: Chemistry Of Life

Section: Chapter Questions

Problem 3CT

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Cellulose and starch are examples of______. a. monosaccharides b. disaccharides c. lipids d. polysaccharides
Why are carbohydrates called "carbohydrates"? a. Apparently, carbohydrates contain water molecules. b. The composition (rather than the actual structure) of a carbohydrate seems to suggest that the molecule contains water molecules. c. carbohydrates are made from C and water. d. none of the above
Polyunsaturated fatty acids a). are solid at room temperature b). have carbon-carbon double bonds c). are polar d). have high melting points
Which of the following is false about carbohydrates? a. they serve as supportive structure; and protective components in the cell walls of the bacteria and plants b. they are essential components of the genetic material c. they can act as ligands and receptors in cellular communication d. they are generally non-polar and supply the body with fat-soluble vitamins
How is the structure of saturated fats different from that of unsaturated fats? A. All of the carbons in the hydrocarbon tails of saturated fats are bonded to one another with double bonds. B. Saturated fats have three hydrocarbon tails bonded to the glycerol molecule instead of just two. C. The hydrocarbon tails in a saturated fat have the maximum number of hydrogens possible. D. Saturated fats have no oxygens present. What are the primary functions of carbohydrates in cells? A. Energy storage, cell identity, structure, and building blocks for synthesis. B. Catalysis, structure, and energy storage. C. Different orientation of a hydroxyl in the ring form. D. Different position of the carbonyl group in the linear form. A positive test for starch would give the following colors: A. Dark blue, black, or purple B. Red, yellow, orange-red, green C. Bright Purple D. Purely Blue
Among the choices which is the correct function of carbohydrates?a. to provide the body with immediate energyb. keep the heart functioning smoothlyc. store and transport genetic materiald. control the rate of reactions?
a)What is the hydrolysis mechanism of carbohydrates?• Polysaccharides ?• Disaccharides ?b) State the differences of chemical structures of glucose, fructose and galactose? c) What is reducing sugar?d) Why glucose and/or fructose syrups used in food industry?
Which of the following statements is true regarding cellulose? Select one: A. It is a primary structural component of plant cell walls. B. It is digestible by bacteria in the human gut. C. It is a polymer of glucose joined by α glycosidic linkages. D. It is a polymer composed of enantiomers of glucose. E. It is a storage polysaccharide for energy in plant cells.
Describe how larger carbohydrates are made from monosaccharide monomers
a molecule comprising numerous carbohydrates is called a?
Based on what you know about glycosidic bonds, propose a scheme for formation of covalent bonds between the carbohydrate and protein portions of glycoproteins
Which of the following makes carbohydrates unique from the other biological macromolecules? Select one: a. Long-term energy storage is provided by carbohydrates. b. Carbohydrates contain a 1:2:1 ratio of carbon to hydrogen to oxygen. c. Carbohydrates are polymers that always form a ring structure. d. The monomers in carbohydrates are held together by peptide bonds.

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