EASY
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Which of the following is the simplest amino acid?
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Important Questions on Chemical Constituents of Living Cells
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Which one of the following statements is wrong?
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Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins?
MEDIUM
If the acidic, basic and hydrophobic residues of proteins are considered to be red, green and blue in colour, respectively, then a globular protein in aqueous solution would have
MEDIUM
Match the compounds of Column I with their functions in Column II.
| Column -I | Column -II | ||
| Trypsin | p | Fights infectious agents | |
| GLUT- | q | Is an intercellular ground substance | |
| Collagen | r | Works as an enzyme | |
| Antibody | s | Enables glucose transport into cells |
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Identify the statement which is incorrect.
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Amino acid analysis of two globular protein samples yielded identical composition per mole. Which one of the following characteristics is necessarily identical for the two proteins
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Which one of the following amino acids is least likely to be in the core of a protein
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Which ONE of the following is likely to occur upon heating a solution of eukaryotic protein from to
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Among the following, identify the zwitterionic form
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In primary structure of protein, the protein thread showed helix with four amino acids and a naphthalene structure in amino acid In such condition what will be the direction of helix and what are the positions of amino acids
HARD
Match the following:
| (a) | Aquaporin | (i) | Amide |
| (b) | Asparagine | (ii) | Polysaccharide |
| (c) | Abscisic acid | (iii) | Polypeptide |
| (d) | Chitin | (iv) | Carotenoids |
Select the correct option:
MEDIUM
Match the following
| (a) | Inhibitor of catalytic activity | (i) | Ricin |
| (b) | Possess peptide bonds | (ii) | Malonate |
| (c) | Cell wall material in fungi | (iii) | Chitin |
| (d) | Secondary metabolite | (iv) | Collagen |
Choose the correct option from the following
MEDIUM
Given below are two statements:
Statement I: A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal).
Statement II: Adult human haemoglobin, consists of 4 subunits (two subunits of type and two subunits of type).
In the light of the above statements, choose the correct answer from the options given below:
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Which one of the pairs of amino acids contains two chiral centres?
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Identify the basic amino acid from the following.
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Which one of the following is the most abundant protein in the animals?
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Which one of the following is referred to as 'living fossils'?
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As the age advances, there is a gradual thinning of hair in human males. This is mainly because of lowered
MEDIUM
Choose the correct statement.
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Choose the most abundant protein present in the animal world.
