Monosaccharides - Forming Cyclic Hemiacetals quiz Flashcards
Monosaccharides - Forming Cyclic Hemiacetals quiz
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How many carbon dioxide molecules must be added to ribulose bisphosphate (RuBP) to make a single molecule of glucose? Six carbon dioxide molecules must be added to RuBP to make one molecule of glucose. Which object converts sunlight into sugars? Chloroplasts in plant cells convert sunlight into sugars through photosynthesis. A monosaccharide is formed from a polysaccharide in what kind of reaction? A monosaccharide is formed from a polysaccharide through a hydrolysis reaction. What type of bonds are the bonds between simple sugar molecules in a carbohydrate? The bonds between simple sugar molecules in a carbohydrate are glycosidic bonds. Which type of molecule is released when monosaccharides link together? Water molecules are released when monosaccharides link together in a dehydration synthesis reaction. Monosaccharides may link together to form polysaccharides by forming which type of bond? Monosaccharides link together to form polysaccharides by forming glycosidic bonds. Where does chemical digestion of table sugar (sucrose) begin? Chemical digestion of table sugar (sucrose) begins in the mouth with the enzyme salivary amylase. What is the process called when monosaccharides form cyclic hemiacetals? The process is called cyclization, where an alcohol group within the same molecule attacks the carbonyl carbon. What is the stability difference between hemiacetals and cyclic hemiacetals? Hemiacetals are generally unstable, but cyclic hemiacetals are stable due to the formation of a ring structure. What is the role of the penultimate oxygen in the cyclization of D-glucose? The penultimate oxygen attacks the carbonyl group to form a stable six-membered cyclic hemiacetal.
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