1. Maltose is a disaccharide of L- Explain in 2-3 sentences why you chose this answer. a. glucose and galactose b. glucose and glucose c. glucose and lactose d. fructose and lactose 2. Glycosidic bond is sucrose is -- Explain in 2-3 sentences why you chose this answer. a. a 1 - 4 b. B1 - 4 C. a 1 - 2 d. B 1 - 2

1. Maltose is a disaccharide of L- Explain in 2-3 sentences why you chose this answer. a. glucose and galactose b. glucose and glucose c. glucose and lactose d. fructose and lactose 2. Glycosidic bond is sucrose is -- Explain in 2-3 sentences why you chose this answer. a. a 1 - 4 b. B1 - 4 C. a 1 - 2 d. B 1 - 2

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter3: Biological Macromolecules

Section: Chapter Questions

Problem 10RQ: Lactose is a disaccharide formed by the formation of a bond between glucose and glycosidic; lactose...

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When this disaccharide is formed.... Select one: a. An alpha-beta-1,2-glycosidic bond is created b. Glucose and galactose are bonded together c. A beta-1,4-glycosidic linkage is created d. A hemiacetal bond in the molecule's center splits e. A water molecule is released
1. Glycosidic bond between galactose and glucose in lactose is ______. In 2-3 sentences, explain why this is your answer. a. α 1 – 4 b. β 1 – 4 c. α 1 – 2 d. β 1 – 2
Polysaccharides are * A. saccharide unit that contains 3 to 10 units B. the simplest sugar units C. saccharides with 2 sugar units joined through glycosidic linkage D. class of carbohydrates that is considered as non-sugar
Hemicellulose isa. a cross-linked glucose polymer.b. partially digested cellulose.c. a five-carbon sugar polymer.d. a complex of cellulose with lignin.
For this I explained what it was but it wasn’t right so I have to explain why it’s wrong and get the right one for this and explain also how it’s right My answer: it’s a glycosidic bond because the bonds formed between two monosaccharides and it is typically formed between carbon - 1 of one monosaccharide and carbon -4 of the other. The condensation of water molecules is required for the formation of a glycosidic bond and either linkage the two monosaccharides units in disaccharide. This was a bad response for my homework because I had to identify the bond in this molecule and I tried saying it was glycosidic but I don’t know what else would be a correct one other than that so it’s been tricky.
1. Is the disaccharide reducing? Yes or no and why. 2. Will the disachharide react positively with benedicts reagent? Yes or No. 3. What is the specific glycosidic linkage of the disacchride? A. alpha-1,4 glycosidic linkage B. beta-1,3 glycosidic linkage C. alpha-1,3 glycosidic linkage D. beta-1,4 glycosidic linkage
a. Why is it important to eat food containing antioxidants? Write at leasttwo reactions to prove the answer. b. Write in four ways the following nucleotide sequence: ATGCA. c. Explain i. Hoogsteen pairing & ii. Hyperchromic effectiii. Epimers Iv. Mutarotaton v. Aldose vi. Anomers vii. Mutarotation
a. Identify the disaccharide in the photo. b. the glycosidic linkage in this disaccharide is what? α (1-2) linkage β (1-4) linkage α (1-4) linkage β (1-2) linkage c.Is the disaccharide below a non-reducing sugar?
(i) Write the name of two monosaccharides obtained on hydrolysis of lactose sugar.(ii) Why Vitamin C cannot be stored in our body?(iii) What is the difference between a nucleoside ’ and nucleotide?
1) Which of the following statement(s) regarding the ends of polysaccharides are true? All polysaccharides have at least one reducing end. Some polysaccharides may have no reducing end. Some polysaccharides may have no non-reducing ends. All polysaccharides have a N-glycosidic bond at their reducing ends. none of the above 2) The transformation of a monosaccharide into its ______ occurs easily and does not require the assistance of a catalyst. epimer anomer sugar alcohol diastereomer zwitterion
Why can a monosaccharide theoretically form diverse disaccharides? a. Because it is classified as an aldose or ketoseb. Because it is a right-handed moleculec. Because it has multiple hydroxyl groups that can form glycosidic bond.d. Because it has several carbonyl groups that can form glycosidic bond.
Which of these polymers contains α1à6 glycosidic linkages? (Select all that apply!) a) Starch b) Cellulose c) Glycogen d) None of these