General characteristic, Classification and Distribution of Proteins
Most abundant organic molecule of living system, termed as:
Lipid
Protein
Carbohydrate
Fats
Protein
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Linear structure of amino acids that forms backbone of polypeptides is called as:A. Secondary structure
B. Tertiary structure
C. Quaternary structure
D. All of above
Nucleoproteins’ are also called as:
A. Genetic proteins
B. Contractile protein
C. Transport protein
D. Glycoproteins
ฮฑ-helix is stabilized, by extensive:
A. Covalent bonding
B. Mutual sharing
C. Hydrogen bonding
D. Metalic bonding
Prolamines’ are soluble in:
A. Water
B. Acid
C. alcohol
D. All of above
Right-handed ฮฑ-helix is more stable than:
A. Left handed ฮฑ-helix
B. ฮฒ-sheets
C. ฯ-Helix
D. ฮฒ-Helix
A special group that is present in cysteine is:
A. Disulfide
B. Sulfhydryl
C. Amide
D. Goitre
Proteins are polymer of:
A. Amino acid
B. L-ฮฑ amino acids
C. Protein subunits
D. Folic acids
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