Biochemistry - Mock Test 96

Question 951

Along the α-helix each amino acid residue advances in nm by?

A) 0.15 B) 0.1 C) 0.12 D) 0.2

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Question 952

Distance traveled per turn of α−helix in nm is?

A) 0.53 B) 0.54 C) 0.44 D) 0.48

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Question 953

Each turn of α-helix contains the amino acid residues (number) ?

A) 3.6 B) 3 C) 4.2 D) 4.5

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Question 954

Fibrous proteins have axial ratio?

A) Less than 10 B) Less than 10 and generally not greater than 3–4 C) Generally 10 D) Greater than 10

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Question 955

Globular proteins have completely folded, coiled polypeptide chain and the axial ratio (ratio of length to breadth) is?

A) Less than 10 and generally not greater than 3–4 B) Generally 10 C) Greater than 10 and generally 20 D) Greater than 10

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Question 956

The hydrogen bonds between peptide linkages of a protein molecules are interfered by?

A) Guanidine B) Uric acid C) Oxalic acid D) Salicylic acid

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Question 957

Many globular proteins are stable in solution inspite they lack in?

A) Disulphide bonds B) Hydrogen bonds C) Salt bonds D) Non polar bonds

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Question 958

A cereal protein soluble in 70% alcohol but insoluble in water or salt solution is?

A) Glutelin B) Protamine C) Albumin D) Gliadin

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Question 959

Proteins are soluble in?

A) Anhydrous acetone B) Aqueous alcohol C) Anhydrous alcohol D) Benzene

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Question 960

Ehlers-Danlos syndrome characterized by hypermobile joints and skin abnormalities is due to?

A) Abnormality in gene for procollagen B) Deficiency of lysyl oxidase C) Deficiency of prolyl hydroxylase D) Deficiency of lysyl hydroxylase

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