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WorksheetsBiomolecules
Total questions: 10
Worksheet time: 6mins
A nucleotide is formed of
Nitrogen base, sugar and phosphate
Pyrimidine, sugar and phosphate
Purine, sugar and phosphate
Purine, pyrimidine and phosphate
Which of the following is not a conjugated protein?
Peptone
Glycoprotein
Chromoprotein
Lipoprotein
Which of the following biomolecules are not strictly macromolecules?
Nucleic acids
Proteins
Polysaccharides
Lipids
Cleavage of specific covalent bonds and removal of groups without hydrolysis is the property of
Isomerases
Transferases
Lyases
Hydrolases
Enzymes having slightly different molecular structure but performing identical activity are
Homoenzymes
Isoenzymes
Apoenzymes
Coenzymes
The pyrenoids are made up of
Core of starch surrounded by sheath of protein
Core of protein surrounded by fatty sheath
Proteinaceous centre and starchy sheath
Core of nucleic acid surrounded by protein sheath
Two free ribonucleotide units are interlinked with
Peptide bond
Phosphodiester bond
Covalent bond
Hydrogen bond
Select the option which is not correct with respect to enzyme action
Substrate binds with enzyme at its active state
Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate
A non-competitor inhibitor binds the enzyme at a site distinct from that which binds the substrate
Malonate is a competitive inhibitor of succinic dehydrogenase
A protein which lacks metal is
Glycoprotein
Haemoglobin
Ferrodoxin
Cytochrome
Protein synthesis in a cell takes place
in cytoplasm as well as in mitochondria
in the nucleolus as well as in cytoplasm
only on ribosomes attached to the nuclear envelope
only in the cytoplasm
