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The biomolecules that cannot be hydrolyzed further is:

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Important Questions on Chemical Constituents of Living Cells

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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar.
Reason (R): Sucrose involves glycosidic linkage between C1 of β-glucose and C2 of α-fructose.
Choose the most appropriate answer from the options given below :
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Glycosidic linkage between C1 of α-glucose and C2 of β-fructose is found in
MEDIUM
The Fischer presentation of D-glucose is given below

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The correct structure(s) of β-L- glucopyranose is(are)
HARD
When sugar 'X' is boiled with dilute H2SO4 in alcoholic solution, two isomers 'A' and 'B' are formed. 'A' on oxidation with HNO3 yields saccharic acid where as 'B' is laevorotatory. The compound 'X' is
HARD
Match the following lists.
  List-I   List-II   List-III
(A) Deoxyribose (i) Gums (I) Fatty acids
(B) Lipids (ii) C5H10O4 (II) True macromolecules
(C) Polymeric substances (iii) Trypsin (III) Cellulose
(D) Polypeptides (iv) Glycerol (IV) Carbohydrate

The correct match is:

MEDIUM
Write chemical reactions to show that open structure of D-glucose contains the following :
Five alcohol groups
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Which of the following will not produce an aldehyde group at the anomeric carbon in solution?
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The amount of sucrose needed to produce 1 mole of glucose using acid hydrolysis is
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The reaction of concentrated sulphuric acid with carbohydrates C12H22O11 is an example of
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Number of compounds from the following which will not produce orange red precipitate with Benedict solution is........
Glucose, maltose, sucrose, ribose,2-deoxyribose, amylose, lactose

HARD

The correct match for class of carbohydrates in Column A with compounds in Column B is

  Column A   Column B
P monosaccharide i. maltose
Q oligosaccharide ii. ribose'
R oligosaccharide iii. cellulose
    iv. glycogen
MEDIUM
Write chemical reactions to show that open structure of D-glucose contains the following :
Aldehyde as carbonyl group
MEDIUM
Choose the correct statements from the following:
A) In a polysaccharide chain, the right end is reducing end and the left end is non-reducing end.
B) In a protein, the right end is a first amino acid called N-end, and the left end is called C-terminal.
C) Concanavalin A is a drug used to cure cancer along with vinblastin and curcumin.
D) GLUT-4 enables glucose transport into cells.
EASY
What is the advantage of storing glucose as glycogen in animals instead of as monomeric glucose?