Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region
Last Answer : Answer : A
Description : An immunoglobulin molecule always contains (A) 1 κ and 3 λ type of chains (B) 2 κ and 2 λ type of chains (C) 3 κ and 1λ type of chains (D) 2 κ and 2 λ chains
Last Answer : Answer : D
Description : Bence-Jones protein is (A) An immunoglobulin (B) A dimer of heavy chains (C) A dimer of light chains (D) A dimer of one heavy and one light chains
Last Answer : Answer : C
Description : Hemoglobin is a molecule made of four polypeptide chains, each bound to a iron-containing molecular group called a heme group. So the molecule contains four polypeptide chains and four ... depends upon the integrity of its quaternary structure. Blood Questions - Image Diversity: hemoglobin molecule
Last Answer : On average what is the life duration of the red blood cells?
Description : Human growth hormone has (A) One polypeptide chain and one intra-chain disulphide bond (B) One polypeptide chain and two intra-chain disulphide bond (C) Two polypeptide chains joined by one disulphide bond (D) Two polypeptide chains joined by two disulphide bond
Last Answer : Answer : B
Description : Nonsense codons bring about (A) Amino acid activation (B) Initiation of protein synthesis (C) Termination of protein synthesis (D) Elongation of polypeptide chains
Description : When egg albumin is heated till it is coagulated, the secondary and tertiary structures of the proteins are completely lost resulting in a mixture of randomly arranged (A) Dipeptide chains (B) Tripeptide chains (C) Polypeptide chains(D) All of these
Description : Insulin is oxidized to separate the protein molecule into its constituent polypeptide chains without affecting the other part of the molecule by the use of (A) Performic acid (B) Oxalic acid (C) Citric acid (D) Malic acid
Description : Isoenzymes for a given reaction (A) Have different spedificities (B) Have identical affinities for the same substrate (C) Exhibit different electrophoretic motilities (D) Contain similar ratios of different polypeptide chains
Description : Constant segments of heavy chains are of (A) Five types (B) Six types (C) Seven types (D) Eight types
Description : IgM possesses (A) Two light chains and two heavy chains (B) Four light chains and four heavy chains (C) Six light chains and six heavy chains (D) Ten light chains and ten heavy chains
Description : The number of polypeptide chains present in a molecule of haemoglobin is/are
Last Answer : The number of polypeptide chains present in a molecule of haemoglobin is/are A. 1 B. 3 C. 4 D. 2
Description : Assertion `:` Most of the human haemoglobin in our body has `2 alph` and `2 beta` polypeptide chains. Reason `:` Haemoglobin is a conjugate protein an
Last Answer : Assertion `:` Most of the human haemoglobin in our body has `2 alph` and `2 beta` polypeptide ... False. D. If both Assertion & Reason are false.
Description : The following are true about the sodium channels: a. they are made up of polypeptide chains b. have the highest densities at the nodes of Ranvier c. open in response to depolarization d. remain open as long as depolarization is maintained
Last Answer : have the highest densities at the nodes of Ranvier
Description : The primary structure of a protein refers to : (a) whether the protein is fibrous or globular (b) the amino acid sequence in the polypeptide chain (c) the orientation of the amino acid side chains in space (d) the presence or absence of an α-helix
Last Answer : the amino acid sequence in the polypeptide chain
Description : Each antibody molecule is made up of how many PAIR of polypeptide chains, joined together by disulfide bonds. a) 1 b) 2 c) 3 d) 4
Last Answer : ANSWER: B -- 2
Description : Gamma heavy chains are of (A) Two types (B) Three types (C) Four types (D) Five types
Description : A mRNA of eukaryotes can code for (A) Only one polypeptide (B) Two polypeptides (C) Three polypeptides (D) Five polypeptides
Description : Minimum number of bars for a circular column [ A ] Four [ B ] Five [ C ] Six [ D ] Eight
Last Answer : [ C ] Six
Description : Gastrin is a polypeptide made up of (A) Five amino acids (B) Twelve amino acids (C) Seventeen amino acids (D) Twenty amino acids
Description : The immunoglobulin which provides highest antiviral activity is (A) Ig D (B) Ig E (C) Ig A (D) Ig G
Description : The immunoglobulin having least concentration in serum is (A) Ig A (B) Ig M (C) Ig D (D) Ig E
Description : The immunoglobulin associated with reginic antibody is (A) Ig E (B) Ig D (C) Ig M (D) Ig A
Description : The immunoglobulin having highest molecular weight is (A) Ig G (B) Ig M (C) Ig E (D) Ig A MINERAL METABOLISM 187
Description : The immunoglobulin having highest sedimentation coefficient is (A) Ig G (B) Ig A (C) Ig M (D) Ig D
Description : The immunoglobulin possessing highest concentration of carbohydrate is (A) Ig G (B) Ig M (C) Ig A (D) Ig D
Description : Most heat labile immunoglobulin is (A) Ig G (B) Ig A (C) Ig M (D) Ig D
Description : The immunoglobulin possessing lowest concentration of carbohydrate is (A) Ig A (B) Ig E (C) Ig M (D) Ig G
Description : The immunoglobulin which can cross the placenta is (A) Ig A (B) Ig M (C) Ig G (D) Ig D
Description : The smallest immunoglobulin is (A) Ig G (B) Ig E (C) Ig D (D) Ig A
Description : The class specific function of the different immunoglobulin molecules is constituted by (A) Variable region of L chain (B) Constant region of H chain (C) Variable region of H chain (D) Constant region particularly CH2 and CH3 of H chain
Description : A pentamer immunoglobulin is (A) Ig G (B) Ig A (C) Ig M (D) Ig E
Description : The immunoglobulin having the longest half-life is (A) IgA (B) IgG (C) IgM (D) IgE
Description : An immunoglobulin which can cross the placental barrier is (A) IgA (B) IgM (C) IgD (D) None of these
Description : An immunoglobulin found in exocrine secretions is (A) IgA (B) IgG (C) IgM (D) IgE
Description : The largest immunoglobulin is (A) IgA (B) IgG (C) IgM (D) IgD
Description : The most abundant immunoglobulin in plasma is (A) IgA (B) IgG (C) IgM (D) IgD
Description : The variable region of heavy chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions
Description : The variable region of light chains has (A) One hypervariable region (B) Two hypervariable regions (C) Three hypervariable regions (D) Four hypervariable regions
Description : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and `O`-atoms Reason: Cyclic trimer of `SO_(3)`
Last Answer : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and ` ... SO_(3)` is referred as `gamma-SO_(3)`.
Last Answer : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of `S` and ` ... C. `2,12sigma,4pi` D. `4,12sigma, 3pi`
Last Answer : Asseration: Cyclic trimer of `SO_(3)` possesses have six membered hetero-cyclic chains made up of ` ... -I is not correct and Statement-II is correct
Description : What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5? A- One B- Two C- Three D- Four
Last Answer : Three
Description : The number of amino acids in single chain polypeptide glucagons is (A) 21 (B) 29 (C) 31 (D) 39
Description : Number of macrocomponents present in coal according to Stopes are: (A) Four (B) Five (C) Six (D) Two
Last Answer : (A) Four
Description : What is the maximum number of open bays if transverse zig zag bracing is installed along the width of a birdcage scaffold? a. Four b. Three c. Five d. Six
Last Answer : b. Three
Description : Minimum number of bars for a column of rectangular section [ A ] Two [ B ] Four [ C ] Six [ D ] Eight
Last Answer : [ B ] Four
Description : mRNA of prokaryotes can code for (A) More than one polypeptide (B) Only one polypeptide (C) Many exons and introns (D) Introns only
Description : Streptomycin prevents synthesis of polypeptide by (A) Inhibiting initiation process (B) Releasing premature polypeptide (C) Inhibiting peptidyl transferase activity (D) Inhibiting translocation
Description : In prokaryotes, chloramphenicol (A) Causes premature release of the polypeptide chain (B) Causes misreading of the mRNA (C) Depolymerises DNA (D) Inhibits peptidyl transferase activity