The enzyme erypsin helps the breakdown of peptones into amino acids in the
(a) Stomach
(b) Ileum
(c) Large intestine
(d) Pancreas
The simplest amino acid is
(a) Glycine
(b) Lysine
(c) Tyrosine
(d) Aspartic acid
Which of the following is not an amino acid?
(a) Glycine
(b) Alanine
(c) Histidine
(d) Benzidine
Sulphur containing amino acids are
(a) Tryptophan
(b) Valine, Lysine, Cystine
(c) Cysteine, Methionine, Cystine
(d) Glutamic acid and Aspartic acid
Which one of the following is an amino acid?
(a) CH3CONH2
(b) CH3CONHCH3
(c) CH3NHCHO
(d) NH2CH2.COOH
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Deamination occurs in liver to
(a) Get rid of urea from blood
(b) Convert proteins to urea and uric acid
(c) Make use of excess amino acid
Amino acids produced by digestion of proteins are absorbed from intestine through
(a) Lacteals
(b) Rectum
(c) Blood capillaries in the villi
(d) Lacteals and blood capillaries in villi
Which one of the following statements is true for protein synthesis?
(a) Amino acid are directly recognized by m-RNA
(b) The third base of the codon is less specific
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The function of erepsin in the process of digestion is to convert
(a) Disaccharides into monosaccharides
(b) Proteins in amino acids
(c) Polysaccharides into disaccharides
As there are only 20 amino acids, only this system of coding can be effective for the innumerable proteins present inside the body
(a) Double codon system
(b) Triplet codon system
(c) Both single and double codon system
(d) Singlet codon system
In human body excess of amino acids are stored in
(a) Liver
(b) Kidney
(c) Spleen
(d) None of these
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What is the common between amino acids, fatty acids and glycerol?
(a) These are all rich source of calories
(b) These are the builders of protoplasm
(c) These are the end products of digestion of two categories of food constituents
(d) These can be stored in the form of fat
Leucine amino acids is the
(a) Essential
(b) Non-essential
(c) Aromatic
(d) Basic
Amino acids not synthesized in the body are called
(a) Non-essential
(b) Active
(c) Essential
(d) Inactive
The number of essential amino acids in man is
(a) 8
(b) 10
(c) 18
(d) 20
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A non-essential amino acid is
(a) Lysine
(b) Methionine
(c) Alanine
(d) Isoleucine
The optically inactive amino acid is
(a) Lysine
(b) Glycine
(c) Arginine
(d) Alanine
Most simple amino acid is
(a) Lysine
(b) Glysine
(c) Aspartic acid
(d) Nucleic acid
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Amino acids are
(a) Liquids
(b) Volatile solids
(c) Non-volatile crystalline compounds
(d) Mixture of amines and acids
Amino acids are the building blocks of :
(a) Carbohydrates
(b) Vitamins
(c) Fats
(d) Proteins
Among the following, the achiral amino acid is
(a) 2-Ethylalanine
(b) 2-Methylglycine
(c) 2-Hydroxymethyl serine
(d) Tryptophan
Which of the following is not essential amino acid
(a) Valine
(b) Lysine
(c) Histidine
(d) Glycine
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Amino acids are produced on hydrolysis of :
(a) Nucleic acid
(b) Carbohydrates
(c) Fats
(d) Proteins
Which amino acid has aromatic ring?
(a) Alamine
(b) Glycine
(c) Tyrosine
(d) Lysine
The pH value of the solution in which a particular amino acid does not migrate under the influence of an electric field in called the
(a) Eutectic point
(b) Yielding point
(c) Neutralisation point
(d) Isoelectric point
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