What is nature of glucose - glucose linkage in starch that makes its so susceptible to acid hydrolysis?
Starch is hemiacetal
Starch is acetal
Starch is polymer
Starch contains only few molecules of glucose
Water hydrolysis of sucrose produces
two molecules of glucose
two molecules of fructose
one molecule of each glucose and fructose
one molecule and each glucose and mannose
How many tripeptides can be prepared by linking the amino acids glycine, alanine and phenyl alanine?
1
3
6
12
Sanger's reagent is used for the identification of
C - terminal amino acid of peptide chain
N - terminal amino acid of peptide chain
Molecular mass of protein
secondary structure of protein
How can you say that glucose is cyclic compound?
Glucose undergoes Tollen's reaction
Glucose reacts with phenyl hydrazine
Glucose fails to react with sodium hydrogen sulphite
Glucose reacts with nitric acid
Complete hydrolysis of cellulose gives
D - fructose
D -ribose
D - glucose
L - glucose
A diabetic person carries a packet of glucose with him always, because
glucose increases the blood sugar level slowly.
glucose reduces the blood sugar level.
glucose increases the blood sugar level almost instantaneously.
glucose reduces the blood sugar level slowly.
α - maltose consists of
one α - D -glucopyranose unit and one β - D - glucocpyranose unit with 1 - 2 glycosideic linkage.
two α - D -glucopyranose unit with 1 - 2 glycosidic linkage.
two β - D -glucopyranose unit with 1 - 4 - glycosidic linkage
two α - D -glucopyranose unit with 1 - 4 glycosidic linkage.
Glucose contains in addition to aldehyde group
one secondary - OH and four primary - OH groups.
one primary - OH and four secondary - OH groups
two primary - OH and three secondary - OH groups
three primary - OH and two secondary - OH groups
Which of the following is a trisaccharide?
Stachyrose
Sucrose
Raffinose
Ribose