What type of reaction is the third step (formation of keto group from a secondary alcohol) of fatty acids degradation? O a. Hydration O b. Reduction O c. Oxidation O d. Hydrolysis
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- Which of the following statements concerning fatty acids is correct? a. Used to make phospholipids b. They all contain one or more double bonds. c. They are a constituent of sterols. d. They are strongly hydrophilic.Which of the following statements best describes glucose? a. It is an aldohexose. b. It is produced from dietary starch by the action of α-amylase. c. It is utilized in biological systems only in the L-isomeric form. d. It is a disaccharide.Which of the following is/are NOT (an) essential fatty acids? A. arachidonic acid B. linoleic acid C. palmitic D. oleic acid
- After the removal of all sugar units from a ganglioside, what molecule remains? A. sphingosine B. a ceramide C. a glycerol D. a phosphateAcid hydrolysis of soap yields _________ a. fatty acids b. glycerol c. salts of fatty acids d. triacylglycerolWhat kind of reaction does each of these enzymes catalyze?(a) A dehydrase(b) A carboxylase(c) A protease
- Lactose--->galactose+glucose represents an enzymatic reaction. What statement about this reaction is true? A) lactose is the enzyme of this reacrion B) galactose is the substance of this reaction C) this reaction is a type of exchange reaction D) this reaction is a type of decomposition (catabolic) reactionWhich statement defines a coenzyme? a. An enzyme precursor b. A unit consisting of an enzyme bound to reactants plus ATP c. An inactive enzyme that becomes functional upon contact with specific cofactors d. The active part of an enzyme e. An organic molecule closely associated with enzymesa. What is the name of metabolite 1? b. What is the name of metabolite 2? c. What kind of reaction occurred when 1 was converted to 2? d. What general kind of enzyme might you expect to perform this reaction? e. What cofactor, if any, would be required for this reaction?
- Amylase is an enzyme that breaks bonds between the monosaccharides in starch in order to detach these monosaccharides from the chain of starch. Based on this description, which type of reaction does amylase catalyze? A) Osmotic reactions B) Peptide reactions C) Dehydration reactions D) Hydrolysis reactionsa. What is the name of metabolite 1? b. What is the name of metabolite 2? c. What molecule a is required for this reaction to proceed? d. What molecule b is produced in addition to 2? e. What enzyme performs this reaction?Alkaline hydrolysis of one molecule of triacylglycerol yields _________ a. three molecules of glycerol and three moles of fatty acids b. three moles of glycerol and one mole of fatty acids c. one molecule of glycerol and three molecules of sodium salt of fatty acid d. three molecules of glycerol and one molecule of sodium salt of fatty acid
