WorksheetsTopic 15: Carbohydrates
Total questions: 21
Worksheet time: 10mins
What is the primary structural component of polysaccharides?
Amino acids
Monosaccharides
Fatty acids
Nucleotides
Which of the following is a common function of N-linked glycoproteins?
Energy storage
Cell-cell recognition
Hormone regulation
DNA replication
O-linked glycoproteins are primarily involved in which of the following roles?
Structural support
Enzyme catalysis
Protein folding
Signal transduction
What is a characteristic feature of S-linked glycoproteins?
They are linked through serine residues.
They are linked through threonine residues.
They are linked through cysteine residues.
They are linked through asparagine residues.
In the interconversion of α -carbohydrate to β -carbohydrate in dilute aqueous HCl, what type of reaction occurs?
Oxidation
Reduction
Isomerization
Hydrolysis
Which method is commonly used for carbohydrate classification?
By their solubility in water
By the number of carbon atoms
By their melting point
By their boiling point
What is the main difference between α - and β -carbohydrates?
The type of glycosidic bond
The position of the hydroxyl group on the anomeric carbon
The number of carbon atoms
The presence of a phosphate group
Which of the following is a polysaccharide?
Glucose
Sucrose
Cellulose
Fructose
N-linked glycoproteins are attached to which amino acid residue?
Serine
Threonine
Asparagine
Cysteine
Which of the following is a common role of O-linked glycoproteins in the body?
Energy storage
Immune response
Structural integrity
Hormone activity
What is the primary linkage type in S-linked glycoproteins?
O-glycosidic bond
N-glycosidic bond
S-glycosidic bond
C-glycosidic bond
Which of the following processes involves the conversion of α -carbohydrate to β -carbohydrate?
Glycolysis
Mutarotation
Fermentation
Photosynthesis
How are carbohydrates classified based on their structure?
By their taste
By their solubility
By the number of sugar units
By their colour
Which of the following is a characteristic of polysaccharides?
They are sweet-tasting.
They are insoluble in water.
They are composed of amino acids.
They are composed of nucleotides.
Which of the following is a method for classifying carbohydrates?
By their density
By their optical activity
By their boiling point
By their electrical conductivity
What is the primary function of polysaccharides in animals?
Structural support
Energy storage
Hormone regulation
Enzyme activity
What is the general formula for monosaccharides?
C5H10O5
(CH2O)n
C3H6O3
C6H12O6
What is the role of carbohydrates in nucleic acids?
Carbohydrates are responsible for the genetic coding in nucleic acids.
Carbohydrates provide the sugar backbone in nucleic acids, essential for their structure and function.
Carbohydrates are the primary source of energy in nucleic acids.
Carbohydrates act as enzymes in nucleic acid synthesis.
Which reaction is needed to break down complex sugars?
Hydration
Dehydration
Dehydrogenation
Hydrolysis
What are processes P and Q?
P - oxidation
Q - reduction
P - reduction
Q - oxidation
P - condensation
Q - hydrolysis
P - hydrolysis
Q - condensation
