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 : 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 : 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 : 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 : What kind of bonds hold together atoms in a molecule?
Last Answer : These bonds are ionic or covalent.
Description : Tertiary protein structure ionic bonds -Biology
Last Answer : answer:
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 : 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 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 is meant by quaternary structure of a pro- tein?
Last Answer : Certain polypeptides will aggregate to form one functional protein. This is referred to as the qua- ternary structure.
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 : The double helical structure of DNA is held together by (a) sulfur-sulfur linkages (b) peptide bonding (c) hydrogen bonding (d) glycosidic bonds
Last Answer : hydrogen bonding
Description : Primary structure of a protein is formed by (A) Hydrogen bonds (B) Peptide bonds (C) Disulphide bonds (D) All of these
Description : Tertiary structure of a protein describes (A) The order of amino acids (B) Location of disulphide bonds (C) Loop regions of proteins (D) The ways of protein folding
Description : The primary structure of a protein refers to the sequence of amino acids that are linked together in a long chain. Which of the following common items would best represent the primary structure of a protein?
Last Answer : beads of different colors joined together on a piece of string
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 : 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 : 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 : 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 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 requird for a plant to hold its cell together? -Biology
Description : Which two molecules bonds together to form a disaccharide?
Last Answer : Two molecules of monosaccharides. It depends on thedisaccharide.
Description : What types of bonds holds amino acid together?
Last Answer : hydrogen bond
Description : The two strands of the DNA double helix are held together by (a) Hydrogen bonds (b)C=C double bonds (c) Hydrophobic bonds (d) Peptide bonds
Last Answer : Ans:(a)
Description : The two polypeptides of human insulin are linked together by (a) covalent bond (b) disulphide bridges (c) hydrogen bonds (d) phosphodiester bond.
Last Answer : (b) disulphide bridges
Description : Which of the following statements is not correct? (a) In man insulin is synthesised as a proinsulin. (b) The proinsulin has an extra peptide called C-peptide. (c) The functional insulin has A and B chains linked together by hydrogen bonds. (d) Genetically engineered insulin is produced in E.Coli.
Last Answer : (c) The functional insulin has A and B chains linked together by hydrogen bonds.
Description : True statements about the nucleic acid include: a. contains purine and pyrimidine which are bound together by covalent bonds b. there is always an equal concentration of purine and pyrimidine c. in RNA, ... d. introns is more common than exons on the DNA e. the histones mark the excision site
Last Answer : there is always an equal concentration of purine and pyrimidine
Description : Explain why the water molecule has a bent shape and a bond angle less than 109.5° The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together
Last Answer : The electron repulsion between the two lone pairs of electrons on the oxygen of water causes the O–H bonds to squeeze close together
Description : Which of the following is not a characteristic of organic compounds? (a) They usually have low melting points. (b) They usually are only slightly soluble or insoluble in water. (c) If water ... they seldom conduct an electric current. (d) Bonds which bind the atoms together are nearly always ionic.
Last Answer : Bonds which bind the atoms together are nearly always ionic.
Description : What is the weak bond holding the nucleic acids together in DNA? a. ionic bonds b. covalent bonds bonds c. polar bond d. hydrogen bond
Last Answer : d. hydrogen bond