Which structural characteristic of cellulose prevents it from forming a blue color with iodine?
α-1,4-glycosidic linkages
β-1,4-glycosidic linkages
Presence of fructose units
Branched polymer structure
Related Questions
Iodine forms a blue color complex with starch but not with cellulose. This difference is primarily due to:
The presence of branching in cellulose.
The higher molecular weight of cellulose.
Difference in glycosidic linkages and resulting structural conformations.
The different monomer composition of cellulose and starch.
Sucrose, a common table sugar is composed of
Glucose and fructose
Glucose and galactose
Fructose and galactose
None of the above
Answer briefly
I. Hydrolysis of glycogen to glucose is termed as?
II. Name the enzyme which takes part in the hydrolysis of glycogen
III. Amylum is an another name of
IV. Name the polysaccharide formed as the end product of the photosynthesis
Correct option with all the answers is
I. Glycogenesis
II. Hexokinase
III. Cellulose
IV. Glucose
I. Glycogenolysis
II. Glycogen phosphorylase
III. Starch
IV. Starch
I. Gluconeogenesis
II. Phosphofructokinase
III. Glycogen
IV. Cellulose
I. Glycolysis
II. Glucose-6-phosphatase
III. Chitin
IV. Fructose
Glucose, a simple sugar, contains which characteristic functional groups?
ketone and carboxyl
aldehyde and hydroxyl
phosphate and amino
sulfhydryl and methyl
The structural polysaccharide peptidoglycan, a key component of bacterial cell walls, possesses a unique feature that distinguishes it from other polysaccharides. This feature is:
The presence of α(1→6) glycosidic linkages.
The exclusive use of glucose as its monomeric unit.
The presence of short peptide chains cross-linking the polysaccharide chains.
Its ability to form triple helices.
Which of the following is NOT a characteristic of cellulose?
Composed of glucose monomers
Provides energy for humans
Forms a structural component of plant cell walls
Contains beta-1,4 glycosidic linkages
Formation of glycogen from glucose is called
Glycogenolysis
Glycogenesis
Glycolysis
Gluconeogenesis
Lactose is composed of?
Glucose + Fructose
Glucose + Glucose
Glucose + Galactose
Fructose + Galactose
Which of these is NOT a function of the chitinous exoskeleton in arthropods?
Protection from predators
Support for the body
Providing a site for muscle attachment
Producing blood cells
Which of the following pairs of functional groups is responsible for the characteristic properties of sugars like sweetness and reactivity?
Carboxyl and amino
Carbonyl and hydroxyl
Phosphate and sulfhydryl
Methyl and ethyl
