Homework Answers
CELLULOSE is a linear polymer of 1,000 beta D-glucose monomers linked by beta (1-4) glycosidic bonds. Where as
AMYLOSE is a linear polymer of 100-1000 alpha D-glucose monomers linked by alpha(1-4) glycosidic bonds. And
AMYLOPECTIN contains 100-100000 alpha D-glucose linked alpha(1-4) bonds with frequent alpha(1-6) branch points.
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Fill in the blanks. Careful with spelling cellulose is a linear polymer...
Question 24 (1 point) Even though amylose and cellulose are made of similar homo-polysaccharide chains, they...
Question 24 (1 point) Even though amylose and cellulose are made of similar homo-polysaccharide chains, they have very different properties. Why? the alpha glycosidic linkage of glucose molecules in amylose cause it to form helices that exclude water O the beta glycosidic linkage of glucose molecules in cellulose forms inter-chain and intra-chain hydrogen blmds that produce straight stable fibers that exclude water Ocellulose is composed of galactose, while amylose is composed of glucose cellulose is more hydrophilic amylose makes a...
49. Which of the following is true of the biologically important molecules ADP, AMP, and ATP?...
49. Which of the following is true of the biologically important molecules ADP, AMP, and ATP? A. all are both phosphoric anhydrides and phosphoric esters B. ADP and AMP are both phosphoric anhydrides and phosphoric esters, but ATP is only a phosphoric ester. C. AMP and ATP are both phosphoric anhydrides and phosphoric esters, but ADP is only a phosphoric ester. D. ADP and ATP are both phosphoric anhydrides and phosphoric esters, but AMP is only a phosphoric ester. 45....
6. Fill in the blanks: (7 marks) A. The reaction between a Hemiacetal carbon and an...
6. Fill in the blanks: (7 marks) A. The reaction between a Hemiacetal carbon and an alcohol produces ain), B. A sugar ester is an intermediate in pathway. C. In a branched chain polysaccharide (Glycogen), all the glycosidic bonds along the chain are and those at the branch point are linkages. D. B. B (1---1) glycosidic linkages has anomeric carbon atoms. E. Cyclic form of the Five-membered and Six-membered carbohydrate structures are called and
con condition o ste is half its maximal val 9. The Difference between Cellulose and Starch...
con condition o ste is half its maximal val 9. The Difference between Cellulose and Starch is A Starch doesn't Branch while Cellulose does. Starch contains alpha 16 pycosidic bonds, while Cellulose has beta 1,6 glycosidic bonds. C Starch is made up of carbohydrates and proteins, while cellulose is all carbohydrates Starch is in animals, while Cellulose is in plants. There is no difference between the two 10). An Enzyme catalyzes two different substrates, A and B. The Km for...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose d. lactose 2. Which of the following functional groups in a carbohydrate are able to be oxidized to carboxylic acids? a. ketones that are rearranged in solution b. ketones that are not rearranged in solution c. aldehydes d. alcohols 3. Which of the following carbohydrates were reducing sugars? a. lactose b. sucrose c. fructose d. starch e. cellulose 4. Why does lactose give a...
Enter the correct answers in the boxes below. 1. A chiral carbon must have a geometry...
Enter the correct answers in the boxes below. 1. A chiral carbon must have a geometry and (2 pts) * 2. If a chiral compound rotates plane polarized light counterclockwise, it is said to be (2 pts) 3. For each compound below, identify all chiral centers by dragging asterisks (*) below to the correct position(s), then indicate whether the compound is optically active by deleting the wrong option. (4 pts) Optically active? OH CHCH3 (a) yes no (b) OH yes...
FILL IN THE BLANKS (20 POINTS) 16. list the five (5) major types of proteins: a...
FILL IN THE BLANKS (20 POINTS) 16. list the five (5) major types of proteins: a b. C d. 17. The process in which a protein unravels, losing its specific conformation and hence its function is called 18. This macromolecule accounts for more than 50% of the dry weight of most cells 19. What type of cells cushion vital organs and insulate humans, helping maintain a warm body temperature 20. An organic compound consisting mainly of carbon and hydrogen atoms...
9. The carbohydrate group of the protein represented by 4DUR is A. covalently attached to Thr...
9. The carbohydrate group of the protein represented by 4DUR is A. covalently attached to Thr 346 B. covalently attached to Ser 332 C. covalently attached to Thr 373 D. noncovalently attached Chapter 11: Bioinformatics Exercise 11.3 10. In the structure represented by 4DUR, the oligosaccharide is attached to the protein by__ _ through its atom. A. N-linkage; C2 B. N-linkage: anomeric carbon C. O-linkage; anomeric carbon D. O linkage; C2 Chapter 11: Bioinformatics Exercise 11.3 5. For 1HPN, starting...
(CHO)n- CH1403a-C7H1407 C7H107 cellulose and chitin- starch and glycogen-sucrose-galactose- maltose-fructose-fatty acids- polymer-monomer-saturated- unsaturated-glycerol- glycogen-collagen hemoglobin-ribose- nitrogen...
(CHO)n- CH1403a-C7H1407 C7H107 cellulose and chitin- starch and glycogen-sucrose-galactose- maltose-fructose-fatty acids- polymer-monomer-saturated- unsaturated-glycerol- glycogen-collagen hemoglobin-ribose- nitrogen base- chitin-phosphate group-insulin-pentose sugar-carbon- nitrogen- hydrogen-phosphorus- steroids- hydrolysis- dehydration-hydrogen bond- covalent bond-peptide bond- disulfide bond-guanine-cytosine- adenine-thymine- uracil-van der Waals-hydrophobic- sugar and phosphate bond- 1.A is a large organic molecule that contains repeating subunits called 2. A has fatty acids with double bonds, is liquid at room temperature and comes from a plant source. 3. Amino acids are joined together by bonds. 4. All molecules...
1. Which of the folowing statements about glucokinase and hexokinase (that catalyze the same reaction) is...
1. Which of the folowing statements about glucokinase and hexokinase (that catalyze the same reaction) is TRUE? A. Glucokinase has a higher capacity than hexokinase to convert glucose to glucose 6 phosphate B. Hexokinase is only active in the liver where it can utilize multiple hexoses C. While glucokinase requires ATP for its action, hexokinase requires GTP D. Glucokinase can act on multiple glucose-like sugars (such as galactose) E. Hexokinase has a higher Km and easily handles all the glucose...
Question 24 (1 point) Even though amylose and cellulose are made of similar homo-polysaccharide chains, they have very different properties. Why? the alpha glycosidic linkage of glucose molecules in amylose cause it to form helices that exclude water O the beta glycosidic linkage of glucose molecules in cellulose forms inter-chain and intra-chain hydrogen blmds that produce straight stable fibers that exclude water Ocellulose is composed of galactose, while amylose is composed of glucose cellulose is more hydrophilic amylose makes a...
6. Fill in the blanks: (7 marks) A. The reaction between a Hemiacetal carbon and an alcohol produces ain), B. A sugar ester is an intermediate in pathway. C. In a branched chain polysaccharide (Glycogen), all the glycosidic bonds along the chain are and those at the branch point are linkages. D. B. B (1---1) glycosidic linkages has anomeric carbon atoms. E. Cyclic form of the Five-membered and Six-membered carbohydrate structures are called and
con condition o ste is half its maximal val 9. The Difference between Cellulose and Starch is A Starch doesn't Branch while Cellulose does. Starch contains alpha 16 pycosidic bonds, while Cellulose has beta 1,6 glycosidic bonds. C Starch is made up of carbohydrates and proteins, while cellulose is all carbohydrates Starch is in animals, while Cellulose is in plants. There is no difference between the two 10). An Enzyme catalyzes two different substrates, A and B. The Km for...
Enter the correct answers in the boxes below. 1. A chiral carbon must have a geometry and (2 pts) * 2. If a chiral compound rotates plane polarized light counterclockwise, it is said to be (2 pts) 3. For each compound below, identify all chiral centers by dragging asterisks (*) below to the correct position(s), then indicate whether the compound is optically active by deleting the wrong option. (4 pts) Optically active? OH CHCH3 (a) yes no (b) OH yes...
FILL IN THE BLANKS (20 POINTS) 16. list the five (5) major types of proteins: a b. C d. 17. The process in which a protein unravels, losing its specific conformation and hence its function is called 18. This macromolecule accounts for more than 50% of the dry weight of most cells 19. What type of cells cushion vital organs and insulate humans, helping maintain a warm body temperature 20. An organic compound consisting mainly of carbon and hydrogen atoms...
9. The carbohydrate group of the protein represented by 4DUR is A. covalently attached to Thr 346 B. covalently attached to Ser 332 C. covalently attached to Thr 373 D. noncovalently attached Chapter 11: Bioinformatics Exercise 11.3 10. In the structure represented by 4DUR, the oligosaccharide is attached to the protein by__ _ through its atom. A. N-linkage; C2 B. N-linkage: anomeric carbon C. O-linkage; anomeric carbon D. O linkage; C2 Chapter 11: Bioinformatics Exercise 11.3 5. For 1HPN, starting...
(CHO)n- CH1403a-C7H1407 C7H107 cellulose and chitin- starch and glycogen-sucrose-galactose- maltose-fructose-fatty acids- polymer-monomer-saturated- unsaturated-glycerol- glycogen-collagen hemoglobin-ribose- nitrogen base- chitin-phosphate group-insulin-pentose sugar-carbon- nitrogen- hydrogen-phosphorus- steroids- hydrolysis- dehydration-hydrogen bond- covalent bond-peptide bond- disulfide bond-guanine-cytosine- adenine-thymine- uracil-van der Waals-hydrophobic- sugar and phosphate bond- 1.A is a large organic molecule that contains repeating subunits called 2. A has fatty acids with double bonds, is liquid at room temperature and comes from a plant source. 3. Amino acids are joined together by bonds. 4. All molecules...
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