What is the difference between cellobiose & cellulose? A. Cellulose is a starch molecule, cellobiose is a glycogen molecule B. Cellulose is a straight chain of β-glucose however cellobiose is two β-glucose C. Cellulose has α-glucose but cellobiose has β-glucose D. Cellobiose can be a straight chain or branched but cellulose is a ring

What is the difference between cellobiose & cellulose? A. Cellulose is a starch molecule, cellobiose is a glycogen molecule B. Cellulose is a straight chain of β-glucose however cellobiose is two β-glucose C. Cellulose has α-glucose but cellobiose has β-glucose D. Cellobiose can be a straight chain or branched but cellulose is a ring

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter2: Chemistry Of Life

Section: Chapter Questions

Problem 10RQ: Phospholipids are important components of_______. a. the plasma membrane of cells b. the ring...

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The sugars in DNA and RNA ____. a. have different numbers of oxygen atoms b. are the two components of sucrose c. have the same structural formulas d. have a different number of carbon atoms e. are disaccharides
Although the first two carbons of fructose and glucose are identical in structure to DHAP and GADP (from glycolysis), DHAP and GADP equilibriate on their in solution to favor the ketone over the aldehyde, while fructose and glucose do not. Why? a)The larger size of the molecule sterically hinders the isomerization b)The larger sugars have more OH groups which hydrogen bond and disrupt isomerization c)The larger sugars cyclize, and there is no carbonyl to isomerize in the cyclic form d)The larger sugars cyclize, and in the cyclic form the hydrogen bonding is very strong e)The larger sugars are less soluble in water than the smaller sugars
The main difference between starch and glycogen is: A) Starch functions to store energy, While glycogen functions as a structural molecule B)Glycogen Functions to store energy, while starch functions as a structural molecule C)Starc is made of glucose, while glycogen is made of ribose D)Starch is made of ribose, while glycogen is made of glucose E)Starch is found in plant cells, while glycogen is found in animal cells
glycosides are condensation products of ? Select one: a. Sugar + aglycone b. Sugar + glycone c. Sugar + Protein d. Protein + aglycone Senna mainly contains : Select one: a. N-glycosides b. O-glycosides c. S-glycosides d. C-glycosides
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
The most abundant element, by mass, in living organisms is: a) C b) O c) N d) Na Which of these molecules is a polymeric macromolecule? A) glucose b) urea c) citric acid d) albumin (a protein) A polymeric macromolecule which consists of glucose monomer units is: a) glycogen b) albumin c) phosphatidyl choline d) cholesterol
Cells can store energy as starches (long polymer forms of carbohydrates, or sugars) and fats. If you isolate the starch stored by a cell, you would find that a lot of the mass of the isolated starch is actually water. However, if you isolate the fat stored by a cell you would find that very little of the mass of the fat is water. Explain this difference based on the structures or properties of the starch and fat molecules
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.
How is the structure of saturated fats different from that of unsaturated fats? A. All of the carbons in the hydrocarbon tails of saturated fats are bonded to one another with double bonds. B. Saturated fats have three hydrocarbon tails bonded to the glycerol molecule instead of just two. C. The hydrocarbon tails in a saturated fat have the maximum number of hydrogens possible. D. Saturated fats have no oxygens present. What are the primary functions of carbohydrates in cells? A. Energy storage, cell identity, structure, and building blocks for synthesis. B. Catalysis, structure, and energy storage. C. Different orientation of a hydroxyl in the ring form. D. Different position of the carbonyl group in the linear form. A positive test for starch would give the following colors: A. Dark blue, black, or purple B. Red, yellow, orange-red, green C. Bright Purple D. Purely Blue
A fatty acid designated w-3A) has three double bonds.B) is saturated.C) has a double bond three carbons from the end of the chain.D) has a double bond three carbons from the a-carbon.
Which of the following are differences between starch and glycogen? A. Starch is a mixture of amylose and amylopectin while glycogen is a pure biopolymer. B. The amylopectin instarch has more branches than glycogen. C. Starch is the storage form of glucose in plants while glycogen is in animals and humans. D. The branches in amylopectin is alpha 1->6 while itis beta 1-->6 in glycogen. E. Starch reacts more intensely with Lugol's reagent than glycogen.
Take a look at this molecule. a) What type of molecule is this? b) How do you know? c) Describe the variety of larger molecules made from this molecule.