BIO 203 Lecture 3: ch 2 contiued

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emily

12 Feb 2019

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Serve as fuel for the human body. Composed only of c, h, and o. Classified by size into monosaccharides, oligosaccharides, and polysaccharides. One type is a disaccharide, formed by joining two monosaccharides. Chains of monosaccharides that store energy or provide structure. The storage polysaccharide in animals is glycogen, which humans store mainly in liver and muscle cells. The storage polysaccharide in plants is starch. A structural polysaccharide made of repeating units of glucose found in cell walls of plants. Humans lack the enzyme necessary to digest cellulose. An important form of fiber in the human diet. Water-insoluble molecules made of c, h, and o. Polymers made of three fatty acids bonded to glycerol through dehydration synthesis. A glycerol head that is polar and hydrophilic (hydro: greek for water, philia: to love) and mixes with watery environments inside and outside the cell.

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Can somebody check if my answer is rght? Thank you

Complex carbohydrates

Indicate whether each of the following statements about polysaccharides is True or False.

1. Polysaccharides are long polymers made of many nucleotides that have been joined through dehydration synthesis. False
2. Cellulose is the main storage polysaccharide in plants while glycogen is an important storage polysaccharide in many animals. False
3. Both starch and glycogen are composed of Î±-glucose subunits. True
4. Starch is composed of amylose and amylopectin, which are unbranched and branched chains of Î±-glucose subunits, respectively. False
5. Like amylopectin, glycogen is insoluble in water, but it has a longer average chain length and fewer branches. True
6. Although some polysaccharides are used to store energy, others serve as structural material for cells. True
7. The principal structural polysaccharide in plants is starch. True
8. Cellulose is composed of a long, branched chain of Î²-glucose subunits. True
9. The starch-hydrolyzing enzymes produced by most organisms cannot break the bond between two Î± -glucose subunits because they only recognize Î² linkages. False
10. Chitin is a structural polysaccharide found in the exoskeleton of arthropods and the cell wall of many fungi. True

Name of Macronutrient	Subtypes of Macronutrient (Weâve listed the names to provide a framework, but explain what each means)	Food Sources (list food sources broken down by subtype of macronutrient)	Major Functions (make sure to explain each)	Recommended Intake (for you â include your demographic)	Related Health Concerns (be specific regarding how the macronutrient contributes to this health problem)
Carbohydrates	Monosaccharides Sweet, colorless, crystalline structure which contain one (mono) molecule of sugar (saccharide), with the basic CnH2nOn makeup: are the glucose and Fructose âGalactose; Sucrose, maltose and lactose Polysaccharides is a monosaccharaides bonded togehte (wikibooks). Which are simple? Monosaccharides Which are complex? Polysaccharides Both Monosacharides and Polysaccharides can be good healthy diet( wikkibooks).	Monosaccharides: glucose is found on some fruits, vegetable and honey; fructose is found in fruits, honey and corn syrup ( wikkibook) Polyasacchariders Starch (cereal grains such as wheat, oats, barley, corn rice and their products; cellulose which acts as a dietary fiber(soluble â barley-oats,rye) insoluble fiber whole grains ready to eat cereals and others) and glycogen â a storage form of glucose in the liver and muscle ( Non digestable dietary â cellulose â whole grains- green leatu vegetable; pectin- fruits, carrots, sweet potatoes. Exemple of digestable food â shellfish, animal liver.(nutrient.review,n.d)
Proteins	Essential amino acids Nonessential amino acids
Lipids	Triglycerides Phospholipids Sterols

Charts and tables are tools we use in science to break down information analytically and present data in an organized manner. It is a beneficial strategy for learning about and organizing scientific material, which we will be using often in this class. Make sure that you are detailed, thorough, and specific in your responses. Explain yourself clearly. Do not list a word or brief phrase without explaining what it means. For example, if you list diabetes for carbohydrates, make sure you explain how carbs are associated with diabetes. Don't leave the reader to make that connection for you. Also, make sure you provide APA-style references for each of your so

BIO 203 Lecture 3: ch 2 contiued

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