Description : Which are the forces that maintain the second- ary, tertiary and quaternary structures of a pro- tein?
Last Answer : Hydrogen bonds, Electrostatic bonds, Van der Waalís forces and Hydrophobic bonds.
Description : What is meant by secondary structure of a pro- tein?
Last Answer : Secondary structure denotes the configurational relationship between residues which are about 3- 4 amino acids apart. In other words, secondary level defines the organisation at immediate vicin- ity of amino acids.
Description : Outer covering of virus made up of pro- tein is?
Last Answer : capsid
Description : All the following statements about epidermal growth factor are true except (A) It is a protein (B) It possess quaternary structure (C) Its receptor is made up of a single polypeptide chain (D) Its receptor possesses tyrosine kinase domain
Last Answer : Answer : B
Description : In protein structure the α-helix and βpleated sheets are example of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure
Description : During denaturation of proteins, all of the following are disrupted except (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure
Description : In quaternary structure, subunits are linked by (A) Peptide bonds (B) Disulphide bonds (C) Covalent bonds (D) Non-covalent bonds
Last Answer : Answer : D
Description : In proteins the α-helix and β-pleated sheet are examples of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure
Description : What bonds hold together the Quaternary structure of protein? -Biology
Last Answer : answer:
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 : The linear arrangement of amino acid units in proteins is called : (a) primary structure (b) secondary structure (c) tertiary structure (d) quaternary structure
Last Answer : primary structure
Description : Which of the following is the quaternary structure of proteins concerned with? (a) sequence of amino acids in the peptide chain (b) description of the way the peptide chains are arranged with ... (c) location of the disulfide bridges in the peptide chain (d) conformation of the protein backbone
Last Answer : description of the way the peptide chains are arranged with respect to each other
Description : The _______ structure of a protein is the sequence of amino acids. a. primary b. secondary c. tertiary d. quaternary
Last Answer : a. primary
Description : The following protein/polypeptide has a quaternary structure : (A) cc-Chymotrypsin (B) Hemoglobin (C) Insulin (D) Myoglobin
Last Answer : (B) Hemoglobin
Description : Isoenzymes are (A) Chemically, immunologically and electrophoretically different forms of an enzyme (B) Different forms of an enzyme similar in all properties (C) Catalysing different reactions (D) Having the same quaternary structures like the enzymes
Last Answer : Answer : A
Description : Give any two examples of quaternary activities. -Geography
Last Answer : (i) The collection, production and dissemination of information. (ii) Personnel working in office building, elementary schools, university class rooms, etc.
Description : What is Quaternary Salt ?
Last Answer : The compound formed by the solitary pairing of nitrogen atoms of tertiary amine with another alkyl or aryl cation N atom is called quaternary salt .
Description : What is a quaternary element ? What is a quaternary element ?
Last Answer : The elements which are called yojani 4 are called quadrilateral elements.
Description : What is a quaternary ammonium compound or quaternary ammonium cleaner?
Last Answer : Quaternary ammonium cleaner is the last generation of quaternary ammonium compounds, it is a one-step cleaner which is used against the broad spectrum of bacteria fungus virus etc..
Description : Which one of the following economic sectors is Laxmi related to? (a) Primary (b) Secondary (c) Tertiary (d) Quaternary
Last Answer : Take the case of Laxmi with her two-hectare plot of unirrigated land. The government can spend some ... (b) Secondary (c) Tertiary (d) Quaternary
Description : The products received by exploiting natural resources come under which one of the following sectors? (a) Quaternary (b) Tertiary
Last Answer : The products received by exploiting natural resources come under which one of the following sectors? (a) ... b) Tertiary (c) Secondary (d) Primary
Description : Is a duck a Quaternary consumer?
Last Answer : What is the answer ?
Description : What is an example of Quaternary economic activity is?
Description : When ammonia is added to an alkyl halide, in the presence of base : (a) primary amines form (b) amides form (c) nitrated alkyl halides form (d) quaternary ammonium salts form
Last Answer : primary amines form
Description : ______ form the bulk of microbial products of industrial interest. a. primary metabolites b. secondary metabolites c. tertiary metabolites d. quaternary metabolites
Last Answer : b. secondary metabolites
Description : Which of the following protein structures does “denaturation” destroy? (a) primary and secondary structures (b) secondary and tertiary structures (c) tertiary and quaternary structures (d) secondary, tertiary, and quaternary structures
Last Answer : secondary, tertiary, and quaternary structures
Description : Which type of amine produces N2 when treated with HONO? (a) Primary (b) Secondary (c) Tertiary (d) Quaternary
Last Answer : Primary
Description : Alkyl halides react with ammonia in the presence of base to form : (a) primary amines (b) nitrated alkyl halides (c) amides (d) quaternary ammonium salts
Last Answer : primary amines
Description : Assuming roughly equivalent molecular weights, which of the following would have the highest boiling point? (a) a tertiary amine (b) a quaternary ammonium salt (c) an alcohol (d) an ether
Last Answer : a quaternary ammonium salt
Description : Which of the following comes under the Quaternary sector?
Last Answer : Information technology
Description : The most potent viricidal properties: (another format of the same question: ‘Indicate which of the following has viricidal properties’) A. Sodium hypochlorite B. Chlorhexidine C. Glutaraldehyde D. Alcohol 70% E. Quaternary ammonium
Last Answer : A. Sodium hypochlorite
Description : What is a relationship called when it is maintained between two entities? (A) Unary (B) Binary (C) Ternary (D) Quaternary
Last Answer : (B) Binary
Description : During which period, in the earth's history, did MOST dinosaurs become extinct? w) Carboniferous x) Cretaceous y) Quaternary z) Triassic
Last Answer : ANSWER: X -- CRETACEOUS
Description : Find the false statement: (A) The relationship construct known as the weak relationship type was defined by Dey, Storey & Barron (1999). (B) A weak relationship occurs when two ... Ternary, Quaternary and Quintary relationships are shown through a series of application scenario's and vignette's
Last Answer : (C) Conceptual model is not accurate representation of "Universe of interest".
Description : In which of the following substances all carbon atoms are quaternary in nature ? (1) Graphite (2) Diamond (3) Teflon (4) Napthalene
Last Answer : Diamond
Description : What is meant by tertiary structure of a protein?
Last Answer : The tertiary structure denotes three dimensional structure of the whole protein. It defines the steric relationship of amino acids which are far apart from each other in the linear sequence.
Description : What is meant by primary structure of a protein?
Last Answer : It denotes the number and sequence of amino ac- ids in the protein.
Description : what is meant by pro?
Last Answer : pros mean adventages of something
Description : How can I represent an ordered tree structure in FileMaker Pro 10?
Last Answer : I’m not really familiar with ‘ordered tree structure’. Is it just a graph? If so the only graphs I have seen in FileMaker are done as webpages and viewed in the Web Viewer. Here is a good forum site for FileMaker and its free to join (others I have seen are pay sites).
Description : The immediate parent of α, β and γ endorphins is (A) Pro-opiomelanocortin (B) β-lipotropin (C) ATCH (D) Lipoprotein
Description : Corticotropin releasing hormone controls the direct release of (A) Pro-opiomelanocortin (B) α MSH (C) β MSH (D) Endorphins
Description : All the following statements about βendorphin are true except µ : (A) It is a polypeptide (B) Its precursor is pro-opio-melanocortin (C) Its receptors are represent in brain (D) Its action is blocked by morphine
Description : All of the following can be formed from pro-opiomelanocortin except (A) α-and β-MSH (B) β-and γ-Lipotropins (C) α-and β-Endorphins(D) FSH
Description : Precursor of ACTH is (A) Cholesterol (B) Pregnenolone (C) Corticotropin (D) Pro-opiomelanocortin
Description : The number of amino acids in pre-pro insulin is (A) 51 (B) 86 (C) 109 (D) 132
Last Answer : Answer : C
Description : Which is a pro vitamin or vitamin that has antioxidant properties? (A) Beta carotene (B) Vitamin E (C) Vitamin C (D) Vitamin D
Description : In Ames’ assay, liver homogenate is included in the culture medium because (A) It converts pro-carcinogens into carcinogens (B) Liver can metabolise histidine (C) Salmonella mainly infects liver (D) Liver is very susceptible to cancer
Description : The number of intra-chain disulphide bonds in pro-insulin: (A) One (B) Two (C) Three (D) Four
Description : What is pro-insulin?
Last Answer : Insulin is synthesised by the beta cells of pancreas as a prohormone, proinsulin is a single poly-pep- tide chain with 86 amino acids.
Description : What is the significance of SH groups in pro- teins?
Last Answer : The SH group of cysteine can form a disulfide (S- S) bond with another cysteine residue. The two cysteine residues can connect two polypeptide chains by the formation of interchain disulfide bonds.