The number of peptide bonds present in a decapeptide

Biochemistry Pharmacist Competitive Exams

Q. The number of peptide bonds present in a decapeptide

Ans → 9

Explanation →

This question is taken from the test/quiz post: Biochemistry Important One Liners Questions On Proteins and amino acids - attemp/practice

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More oneliners in - Biochemistry Important One Liners Questions On Proteins and amino acids

Q. The average nitrogen content of proteins

Ans → 16%

Explanation →

Q. Proteins are the polymers of

Ans → L-α-Amino acids

Explanation →

Q. Name the sulfur containing essential amino acid

Ans → Methionine

Explanation →

Q. The charged molecule which is electrically neutral is known as

Ans → Zwitterion

Explanation →

Q. The non – amino acid present in coenzyme A

Ans → β-Alanine

Explanation →

Q. The bonds forming the backbone of protein structure

Ans → Peptide bonds

Explanation →

Q. The amino acid that is completely destroyed by acid hydrolysis of protein

Ans → Tryptophan

Explanation →

Q. The number of peptide bonds present in a decapeptide

Ans → 9

Explanation →

Q. The chemical name of Sanger’s reagent

Ans → 1-Fluro 2,4-dinitrobenzene

Explanation →

Q. The phenomenon of disorganization of native protein structure is known as

Ans → Denaturation

Explanation →

Q. The amino acid found in protein structure

Ans → Proline

Explanation →

Q. A non-protein amino acid

Ans → Histamine

Explanation →

Q. The bonds in protein structure that are not broken on denaturation.

Ans → Peptide bonds

Explanation →

Q. Sequenator is an automatic machine to determine amino acid sequence in a polypeptide chain. The reagent used in sequenator is

Ans → Edman’s reagent

Explanation →

Q. The reaction given by two or more peptide linkages is

Ans → Biuret test

Explanation →

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Q. Which is the simplest form of glycolipids which occur in the membranes of nervous tissue.

Ans → Cerebrosides

Explanation →

Q. Superoxide is converted to H2O2 by the enzyme

Ans → Superoxide dismutase

Explanation →

Q. A non-protein amino acid

Ans → Histamine

Explanation →

Q. Name a differential staining technique that distinguishes bacteria based upon their cell wall structure

Ans → Gram stain procedure

Explanation →

Q. Under physiological condition, the DNA structure is predominantly in the form

Ans → β-Form

Explanation →

Q. Use of products containing genetic material (e.g., pDNA, antisense DNA, si RNA) to treat a disease or condition, or to modify or manipulate the expression of genetic material or to alter the biological properties of living cells.

Ans → gene therapy

Explanation →

Q. Larger nucleus in ciliate protists that have two nuclei; polyploid with a reduced genome of metabolic genes and derived from the micronucleus

Ans → macronucleus

Explanation →

Q. Molecules that contain groups with characteristically different properties, e.g., both hydrophilic and lipophilic (hydrophobic) properties.

Ans → amphiphilic

Explanation →

Q. What is the name of the condition in which there is blood in the urine

Ans → hematuria

Explanation →

Q. The vitamin containing isoalloxazine ring

Ans → Riboflavin

Explanation →

Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.

Ans → R,S convention

Explanation →

Q. The phenomenon of disorganization of native protein structure is known as

Ans → Denaturation

Explanation →

Q. The shorter identical peptide chains of an antibody molecule (two per antibody monomer), composed of variable and constant region segments

Ans → light chains

Explanation →

Q. Part of the orbital area in an atom where it is impossible to find an electron.

Ans → node

Explanation →

Q. Inner mitochondrial membrane is impermeable to

Ans → OH– K+ H+

Explanation →

Q. A more negative redox potential represents a greater tendency to lose

Ans → Electrons

Explanation →

Q. The element involved in the protection of cells against the damage of H2O2 and other free radicals

Ans → Selenium

Explanation →

Q. The total number of amino acids present in adult hemoglobin

Ans → 574

Explanation →

Q. Leukocytes found in the peripheral blood that are characterized by numerous granules

Ans → granulocytes

Explanation →

Q. Technique that uses living organisms to make or modify products, to improve plants or animals, or to develop microorganisms for specific uses

Ans → biotechnology

Explanation →

Q. The amino acid found in protein structure

Ans → Proline

Explanation →

Q. The relation between the change of free energy (G), enthalpy (H) and entropy (S) is expressed by the equation

Ans → ΔG = ΔH – TΔS (T = Absolute temperature)

Explanation →

Q. The percentage of yield that occurred versus the theoretical yield.

Ans → percent yield

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Q. Vehicle often ethanol used in combination to increase the solubility of drugs.

Ans → cosolvent

Explanation →

Q. a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.

Ans → buffer solution

Explanation →

Q. Haptoglobin binds and prevents the excretion of the compound

Ans → Hemoglobin

Explanation →

Q. the process of improving the octane number of straight-run gasoline by increasing the proportion of aromatic and branched chain alkanes.

Ans → catalytic reforming

Explanation →

Q. Type of oxide that can form a base if water is added.

Ans → base anhydride

Explanation →

Q. A term applied an object or molecule that does not possess symmetry.

Ans → asymmetry

Explanation →

Q. The amino acid that does not participate in transamination

Ans → Lysine

Explanation →

Q. The disorders characterized by decreased synthesis or total absence of globin chains of hemoglobin are collectively known as

Ans → Thalassemias

Explanation →

Q. The two amino acids that are never glucogenic are

Ans → Leucine and lysine

Explanation →

Q. The A in coenzyme A stands for

Ans → Acetylation

Explanation →

Q. A Biologically active substance, which when biodistributed in the body is expected to modify one or more of its functions.

Ans → drug

Explanation →

Q. A a term applied to the selective synthesis of one diastereomeric form of a compound resulting from the influence of an existing chiral centre adjacent to the developing asymmetric carbon atom.

Ans → asymmetric induction

Explanation →

Q. Synthesis of 2, 3-bisphosphoglycerate occurs in the tissue namely.

Ans → Erythrocytes

Explanation →

Q. Cholesterol synthesis is controlled by feedback inhibition of the enzyme

Ans → HMG CoA reductase

Explanation →