. 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
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- 1. Select the odd one out. Explain your answer in 1-3 sentences. а. хуlulose b. dihydroxyacetone c. glyceraldehyde d. ribulose 2. Which of the following sugar give a positive result with Seliwanoff test? Explain your answer in 1-3 sentences. a. sucrose b. glucose c. galactose d. mannose 3. Which of the following is a keto tetrose? Explain your answer in 1-3 sentences. a. erythrulose b. хylulose c. sorbose d. psicoseQuestion 5 Match the given choices below with the correct question/ description. Which is known as β-D-glucopyranose? Which is the functional isomer of β-D-glucopyranose? Which is a C-4 epimer of glucose? This test results to a brick-red precipitate This test is used for the detection of pentoses I. Choice B…17. Cleavage of fructose-1,6-biophosphate yields ____. Select one: a. only a ketose b. two aldoses c. two ketoses d. an aldose and a ketose
- It is more than one option for the answer. Not just "increased ability of the deoxyribose ring to open without the attachment of the purine base"4. The glycosidic linkage between two glucose molecules in isomaltose is? Explain your answer in 1-3 sentences. a. a 1 - 4 b. В 1 4 С. а 1 d. В 1 -6 5. Which of the following is an alpha lactone? Explain your answer in 1-3 sentences. a. Vit C b. Vit D c. Vit A d. Vit KGlycogen has a. ?-1,4 linkage b. ?-1,4 and ?-1,6 linkages c. ?-1,6 linkages d. ?-1,4 and ?-1,6 linkages
- 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 linkage8) Consider the tetrasaccharide stachyose drawn below. Stachyose is found in white jasmine, soybeans, and lentils. Because humans cannot digest it, its consumption causes flatulence. HO How ОН OH stachyose OH HO HO OH HO OH OH OH OH «ОН a. Label all glycoside bonds. b. Classify each glycosidic linkage as a or ẞ and use numbers to designate its location between two rings (e.g., 1-4-3). c. What products are formed when stachyose is hydrolyzed with H,O"? d. Is stachyose a reducing sugar? e. What product is formed when stachyose is treated with excess CHI, Ag₂O? f. What products are formed when the product in (e) is treated with H₂O"?Short Note on A. Phenylketonuria B. Protein Structure
- The phosphorylated 5-carbon monosaccharide required for nucleotide synthesis is: ,a. Ribulose 1, 5-bisphosphateb. 5-phosphoribosyl-1-pyrophosphatec. Xylulose 5-phosphated. Ribose 5-phosphatewhere are these placed? one is for glucose and one is for lactose. Thank you for help!What is a glycoconjugate? Choose all that apply. a. A glycoconjugate is a glycolipid or a glycoprotein b. A glycoconjugate is a term that is used to describe the addition of sugars to other biomolecules c. A glycoconjugate is a term that is used to describe the addition of sugars to other biomolecules 3. What is the glycocalyx? a. The glycocalyx describes the various symbols used to designate individual monosaccharides b. The glycocalyx is the complete ensemble of glycoconjugates and glycans at the cell surface c. The glycocalyx is a glycan that is made synthetically d. None of these are correct e. All of these are correct