The enzyme sucrase… A. joins sucrose to fructose to form glucose. B. does not affect the...
The enzyme sucrase…
| A. |
joins sucrose to fructose to form glucose. |
|
| B. |
does not affect the energy of activation in the reaction it catalyzes. |
|
| C. |
breaks the bond between sucrose and fructose to produce glucose. |
|
| D. |
breaks the bond between two glucose monomers. |
|
| E. |
generates both glucose and fructose from sucrose. |
Homework Answers
The correct answer is option E that is it generates both glucose and fructose from Sucrose.
Sucrase is an enzyme that is secreted in small intestine and it is present in brush borders of small intestine
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The enzyme sucrase…
A.
joins sucrose to fructose to form glucose.
B.
does not affect the...
Invertase (sucrase is the other name) is the enzyme hydrolyzing sucrose into glucose and fructose. (a)...
Invertase (sucrase is the other name) is the enzyme hydrolyzing sucrose into glucose and fructose. (a) Describe how you can measure the rate of the reaction catalyzed by invertase by change in optical rotation of the reaction solution. Provide the formula for calculation of the rate (in uM/min) from the change of optical rotation that your high-school educated laboratory technician can use. (b) Can you guess why the enzyme gets the name invertase? The specific rotation (see #1 for definition)...
Part A - Overview of enzyme structure and enzymatic reactions Enzymes are large globular proteins. Much...
Part A - Overview of enzyme structure and enzymatic reactions Enzymes are large globular proteins. Much of their three dimensional shape is the result of interactions between the R (variable) groups of their amino acids. The active site is the portion of the enzyme that will interact with the substrate the molecule that the enzyme acts upon. The nature and arrangement of amino acids in the active site make each enzyme specific to a substrate and to the reaction it...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
A3. The synthesis of sucrose from glucose and fructose is facilitated through the use of ATP...
A3. The synthesis of sucrose from glucose and fructose is facilitated through the use of ATP as an energy source. The reaction equations for the process, with their Gibbs energy signs, are shown below. glucose + fructose — sucrose ATP + H20 = ADP + Pi AG = Positive AG = Negative glucose + fructose + ATP> sucrose + ADP + Pi Overall AG = Negative Answer A, B, and C. A. The two reactions shown above the line are...
4. Sucrose or common sugar (C12H22011) is hydrolyzed with water to form fructose (CeH120) and glucose...
4. Sucrose or common sugar (C12H22011) is hydrolyzed with water to form fructose (CeH120) and glucose (CoH1206). The mix of fructose and glucose is known as inverted sugar and it is very important because it does not crystallize, so soft candies can be produced. From the following kinetic data, determine: 0 60 Reaction time (min) 96.4 157.5 [C12H22O11] (mol L.) a) The order of the reaction; b) Time required for 50% of sucrose to hydrolyze; e) For an ideal perfect...
Sucrose is readily hydrolyzed i.e. broken down back to glucose and fructose by reaction with acidic...
Sucrose is readily hydrolyzed i.e. broken down back to glucose and fructose by reaction with acidic solution. The hydrolysis can be monitored by measuring the angle of rotation of plane-polarized light passing through the solution because the concentration of sucrose can be inferred from this angle. An experiment on the hydrolysis of sucrose in 0.5 M HCl(aq) produced the following data: Assume that the reaction is first-order in sucrose, and determine the rate constant k of the reaction and the...
1- Sucrose does not react with Fehling's reagent because A- Sucrose is not a reducing sugar....
1- Sucrose does not react with Fehling's reagent because A- Sucrose is not a reducing sugar. B) The anomeric carbon of glucose is involved in the glucose- fructose bond and hence is not free to form the aldehyde in solution. C) The monosaacharide constituents of sucrose no longer have an anomeric carbon with a free potential aldehyde or ketone group, and therefore no longer exhibits reducing properties. D) sucrose is a disaccharide of glucose and fructose in which the oxygen...
1. Starch is a polymer made from the following monomer: a. a-galactose b. C-glucose c. B-glucose...
1. Starch is a polymer made from the following monomer: a. a-galactose b. C-glucose c. B-glucose d. a-fructose 2. The type of bond that forms when a disaccharide is formed from two monosaccharides is called: a. a peptide bond b. a carbohydrate bond c. an ester bond d. a glycosidic bond 3. The products of hydrolysis of lactose are: a. glucose and galactose b. glucose and fructose c. galactose and ribose d. fructose and galactose 4. Which is the most...
The building block of pectic substances is A) sucrose B) glucose C) fructose D) galactose E) cellulose
The building block of pectic substances is A) sucrose B) glucose C) fructose D) galactose E) cellulose
0 39 1. (13 pts) Sucrose hydrolyses readily to glucose and fructose in acidic solution. An...
0 39 1. (13 pts) Sucrose hydrolyses readily to glucose and fructose in acidic solution. An experiment on this hydrolysis in 0.50 M HCl produced the following data: t (min) (sucrose) (mol/L) 0.316 14 0.300 0.274 0.256 0.238 110 0.211 140 0.190 170 0.170 210 0.146 Find the order and the rate constant of the reaction, 2. (10 pts) A first-order decomposition reaction is observed to have the following rate constants at the indicated temperatures. k (10-3 3-1 | T...
Part A - Overview of enzyme structure and enzymatic reactions Enzymes are large globular proteins. Much of their three dimensional shape is the result of interactions between the R (variable) groups of their amino acids. The active site is the portion of the enzyme that will interact with the substrate the molecule that the enzyme acts upon. The nature and arrangement of amino acids in the active site make each enzyme specific to a substrate and to the reaction it...
GLYCOLYSIS Glucose-8 phosphate + Glucose 2 Fructose-6-phosphate 3 Fructose-1,6-biphosphate Dihydroxy-acetone-phosphate 5 Glyceraldehyde-3-phosphate VT6 2 (1,3-biphosphoglycerate) 7 3-phosphoglycerate 2-phosphoglycerate 9 phosphoenolpyruvate 10 Lactate Pyruvate Which two reactions of glycolysis requires an investment of ATP energy, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which two reactions of glycolysis generate energy in the form of ATP, and which enzyme catalyzes each reaction? Reaction Number Enzyme Reaction Number Enzyme Which glycolytic reaction generates energy in the form of NADH,...
A3. The synthesis of sucrose from glucose and fructose is facilitated through the use of ATP as an energy source. The reaction equations for the process, with their Gibbs energy signs, are shown below. glucose + fructose — sucrose ATP + H20 = ADP + Pi AG = Positive AG = Negative glucose + fructose + ATP> sucrose + ADP + Pi Overall AG = Negative Answer A, B, and C. A. The two reactions shown above the line are...
4. Sucrose or common sugar (C12H22011) is hydrolyzed with water to form fructose (CeH120) and glucose (CoH1206). The mix of fructose and glucose is known as inverted sugar and it is very important because it does not crystallize, so soft candies can be produced. From the following kinetic data, determine: 0 60 Reaction time (min) 96.4 157.5 [C12H22O11] (mol L.) a) The order of the reaction; b) Time required for 50% of sucrose to hydrolyze; e) For an ideal perfect...
1. Starch is a polymer made from the following monomer: a. a-galactose b. C-glucose c. B-glucose d. a-fructose 2. The type of bond that forms when a disaccharide is formed from two monosaccharides is called: a. a peptide bond b. a carbohydrate bond c. an ester bond d. a glycosidic bond 3. The products of hydrolysis of lactose are: a. glucose and galactose b. glucose and fructose c. galactose and ribose d. fructose and galactose 4. Which is the most...
0 39 1. (13 pts) Sucrose hydrolyses readily to glucose and fructose in acidic solution. An experiment on this hydrolysis in 0.50 M HCl produced the following data: t (min) (sucrose) (mol/L) 0.316 14 0.300 0.274 0.256 0.238 110 0.211 140 0.190 170 0.170 210 0.146 Find the order and the rate constant of the reaction, 2. (10 pts) A first-order decomposition reaction is observed to have the following rate constants at the indicated temperatures. k (10-3 3-1 | T...
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