What is Peptide Bonding ?

What is Peptide Bonding ?
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Answer :

The amide bond formed after the removal of water molecules in reaction with the carbolic radical of one amino acid and the a -amino radical of another amino acid is called peptide bond.
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The double helical structure of DNA is held together by (a) sulfur-sulfur linkages (b) peptide bonding (c) hydrogen bonding (d) glycosidic bonds

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

For _______ bonding, one or more electrons are transferred between atoms. a. hydrogen b. ionic c. peptide d. covalent

Description : For _______ bonding, one or more electrons are transferred between atoms. a. hydrogen b. ionic c. peptide d. covalent

Last Answer : b. ionic

Digestion of proteins involves (a) changes in secondary structure only (b) cleavage of peptide linkages (c) removal of all carboxyl groups in the form of CO2. (d) removal of all NH2 groups in the form of NH3

Description : Digestion of proteins involves (a) changes in secondary structure only (b) cleavage of peptide linkages (c) removal of all carboxyl groups in the form of CO2. (d) removal of all NH2 groups in the form of NH3

Last Answer : cleavage of peptide linkages

Which of the following is the main structural feature of proteins? (a) Peptide linkage (b) Ester linkage (c) Ether linkage (d) α,β-Linkage

Description : Which of the following is the main structural feature of proteins? (a) Peptide linkage (b) Ester linkage (c) Ether linkage (d) α,β-Linkage

Last Answer : Peptide linkage

Glycine is a unique amino acid because it (a) has no chiral carbon (b) has a sulfur containing R group (c) cannot form a peptide bond (d) is an essential amino acid

Description : Glycine is a unique amino acid because it (a) has no chiral carbon (b) has a sulfur containing R group (c) cannot form a peptide bond (d) is an essential amino acid

Last Answer : has no chiral carbon

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 respect to each other (c) location of the disulfide bridges in the peptide chain (d) conformation of the protein backbone

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

Which of the following is the first step in the determination of the primary structure of proteins? (a) determining the number and kind of amino acids in the peptide (b) reducing the disulfide bridges in the protein (c) protecting the N-terminal of the peptide (d) protecting the C-terminal of the peptide

Description : Which of the following is the first step in the determination of the primary structure of proteins? (a) determining the number and kind of amino acids in the peptide (b) reducing the disulfide bridges ... (c) protecting the N-terminal of the peptide (d) protecting the C-terminal of the peptide

Last Answer : reducing the disulfide bridges in the protein

What type of bonding helps in stabilishing the a-helix structure of proteins? -Chemistry

Description : What type of bonding helps in stabilishing the a-helix structure of proteins? -Chemistry

Last Answer : a-helix formation -» Intramolecular hydrogen bonding.

What is Ionic Bonding ?

Description : What is Ionic Bonding ?

Last Answer : : Ionic bond is the bond formed by the force of attraction of static electricity on each other by creating positive and negative charges by transferring one or more electrons from the outer layer of one atom ... chemical reaction. For example , Na-Cl ( sodium chloride) is an ionic bond of food salt.

What is Insertion Bonding ?

Description : What is Insertion Bonding ?

Last Answer : Insertion bond is the bond formed by the supply of a pair of electrons required for the formation of covalent bonds between two atoms by one atom and the other atoms sharing it equally.

What is Bonding Strength ?

Description : What is Bonding Strength ?

Last Answer : The force of attraction that attaches another atom to a bonded atom is called bonding force. In sodium chloride ionic bonds exist between sodium ions and chloride ions. In the carbon dioxide molecule ... attraction that attaches another atom to an atom bound by all these bonds is called bond energy.

What is the bonding strength of OH ?

Description : What is the bonding strength of OH ?

Last Answer : The bonding strength of OH is 464 kJ

What is chemical bonding ? What is a chemical bond ?

Description : What is chemical bonding ? What is a chemical bond ?

Last Answer : The chemical bond is the force of attraction that attaches one atom to another atom in the molecule of a substance.

What is Ionic Bonding ?

Description : What is Ionic Bonding ?

Last Answer : The ionic bond is the constant electrical attraction that binds the molecules of a compound to the cations and anions formed by the exchange of electrons.

What is the amount of bonding angle in ammonia molecule ?

Description : What is the amount of bonding angle in ammonia molecule ?

Last Answer : See this link with details http://bn.m.wikipedia.org/wiki/Amonia

(3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of the atom, the electron configuration determines how it will bond, with what it will bond, and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Description : (3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of ... , and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

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Distinguish between bonding molecular orbital and anti-bonding molecular orbital.

Description : Distinguish between bonding molecular orbital and anti-bonding molecular orbital.

Last Answer : Ans.(i)The bonding molecular orbital has lower energy and hence greater stability than the corresponding antibonding molecular orbital. (ii) Just as the electron probability distribution around a ... formed by the subtraction of wave function of atomic orbital is called antibonding molecular orbital

What type of bonding helps in stabilising the -helix structure of proteins ?

Description : What type of bonding helps in stabilising the -helix structure of proteins ?

Last Answer : Ans. In a -helix structure, polypeptide chain of amino acids coils as a right handed screw  because of the formation of all possible Hydrogen bonds between — NH group at each amino residue and > C = 0 group of adjacent turn of helix.

Arrange the following types of interactions in correct order of their increasing strength : Covalent, hydrogen bonding, Vander Waals, dipole dipole

Description : Arrange the following types of interactions in correct order of their increasing strength : Covalent, hydrogen bonding, Vander Waals, dipole dipole

Last Answer : Vander Waals < dipole dipole < hydrogen bonding < covalent.

The α-Helix is held in a coiled conformation partially because of : (a) Optical activity (b) Hydrogen bonding (c) Resonance (d) Delocalization

Description : The α-Helix is held in a coiled conformation partially because of : (a) Optical activity (b) Hydrogen bonding (c) Resonance (d) Delocalization

Last Answer : Hydrogen bonding

What type of intermolecular interactions does (CH3CH2)2NH undergo? (a) induced dipole-induced dipole (b) dipole-dipole (c) hydrogen bonding (d) all of these

Description : What type of intermolecular interactions does (CH3CH2)2NH undergo? (a) induced dipole-induced dipole (b) dipole-dipole (c) hydrogen bonding (d) all of these

Last Answer : all of these

Which of the following best explains why the melting points of saturated fats increase with increasing molecular weight? (a) decreased hydrogen bonding (b) increased hydrogen bonding (c) decreased intermolecular van der Waal’s interactions (d) increased intermolecular van der Waal’s interactions

Description : Which of the following best explains why the melting points of saturated fats increase with increasing molecular weight? (a) decreased hydrogen bonding (b) increased hydrogen bonding (c) decreased intermolecular van der Waal’s interactions (d) increased intermolecular van der Waal’s interactions

Last Answer : increased intermolecular van der Waal’s interactions

The compound in which hydrogen bonding is not possible is (a) CH3OCH3 (b) H2O (c) CH3CH2OH (d) CH3COOH

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Last Answer : CH3OCH3

Which action best accounts for the solubility of aldehydes and ketones in water? (a) Polar interactions between solute molecules. (b) H-bonding between solute molecules. (c) Van der waals forces (d) H-bonding between solute and solvent molecules

Description : Which action best accounts for the solubility of aldehydes and ketones in water? (a) Polar interactions between solute molecules. (b) H-bonding between solute molecules. (c) Van der waals forces (d) H-bonding between solute and solvent molecules

Last Answer : H-bonding between solute and solvent molecules

Thiols are alcohol analogs in which the oxygen has been replaced by sulfur (e.g., CH3SH). Given the fact that the S–H bond is less polar than the O–H bond, which of the following statements comparing thiols and alcohols is correct? (a) Hydrogen bonding forces are weaker in thiols. (b) Hydrogen bonding forces are stronger in thiols. (c) Hydrogen bonding forces would be the same. (d) No comparison can be made without additional information

Description : Thiols are alcohol analogs in which the oxygen has been replaced by sulfur (e.g., CH3SH). Given the fact that the S-H bond is less polar than the O-H bond, which of the following ... (c) Hydrogen bonding forces would be the same. (d) No comparison can be made without additional information

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What is the strongest intermolecular force present in liquid ethanol? (a) induced dipole-induced dipole (b) dipole-dipole, specifically hydrogen bonding (c) dipole-dipole, but not hydrogen bonding (d) ion-dipole

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The high boiling points of alcohols, as compared to the corresponding alkanes, are due to (a) Hydrogen bonding (b) Heavy oxygen atom (c) Water solubility(d) None of these

Description : The high boiling points of alcohols, as compared to the corresponding alkanes, are due to (a) Hydrogen bonding (b) Heavy oxygen atom (c) Water solubility (d) None of these

Last Answer : Hydrogen bonding

What type of bonding is most important in CH3CH2CH2CH2CH2CH3? (a) ionic (b) hydrogen (c) covalent (d) polar

Description : What type of bonding is most important in CH3CH2CH2CH2CH2CH3? (a) ionic (b) hydrogen (c) covalent (d) polar

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Which of the following is the strongest interaction? (a) a covalent bond (b) dipole-dipole interactions (c) hydrogen bonding (d) van der Waals

Description : Which of the following is the strongest interaction? (a) a covalent bond (b) dipole-dipole interactions (c) hydrogen bonding (d) van der Waals

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How dissolution takes place by hydrogen bonding?

Description : How dissolution takes place by hydrogen bonding?

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C and Si both have same lattice structure, having 4 bonding electrons in each. However, C is insulator where as Si is intrinsic semiconductor. This is because (1) The four bonding electrons in the case of C lie in the third orbit, whereas for Si they lie in the fourth orbit (2) In case of C the valance band is not completely filled at absolute zero temperature (3) In case of C the conduction band is partly filled even at absolute zero temperature (4) The four bonding electrons in the case of C lie in the second orbit, whereas in the case of Si they lie in the third

Description : C and Si both have same lattice structure, having 4 bonding electrons in each. However, C is insulator where as Si is intrinsic semiconductor. This is because (1) The four bonding electrons in the case of C ... the case of C lie in the second orbit, whereas in the case of Si they lie in the third

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Which force is most important in allowing ammonia, NH3, to dissolve in water? A hydrogen bonding B dipole-induced dipole C ion-dipole D dipole-dipole E ionic

Description : Which force is most important in allowing ammonia, NH3, to dissolve in water? A hydrogen bonding B dipole-induced dipole C ion-dipole D dipole-dipole E ionic

Last Answer : A hydrogen bonding

How many bonding and non-bonding electron pairs are found in the BF3 molecule? A 1 bonding and 3 non-bonding B 2 bonding and 2 non-bonding C 3 bonding and 1 non-bonding D 3 bonding and 0 non-bonding E 4 bonding and 0 non-bonding

Description : How many bonding and non-bonding electron pairs are found in the BF3 molecule? A 1 bonding and 3 non-bonding B 2 bonding and 2 non-bonding C 3 bonding and 1 non-bonding D 3 bonding and 0 non-bonding E 4 bonding and 0 non-bonding

Last Answer : D 3 bonding and 0 non-bonding  

The boiling points of the halogens increase going from F2 to I2. What type of intermolecular forces are responsible for this trend? w) permanent dipole x) hydrogen bonding y) ion-ion attraction z) London dispersion forces

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For which molecule can the bonding be described in terms of sp3 hybrid orbitals of the central atom? w) CH4 x) SF6 y) BF3 z) PCL5

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What UNUSUAL type of bonding occurs in diborane, B2H6

Description : What UNUSUAL type of bonding occurs in diborane, B2H6 

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In which of the following compounds is the bonding most covalent? w) NaCl x) F2 y) MgS z) Fe3C

Description : In which of the following compounds is the bonding most covalent? w) NaCl x) F2 y) MgS z) Fe3C

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Which of the following terms refers to the number of molecules or ions attached to a central metallic atom? w) coordination number x) connection number y) bonding number z) none of these

Description : Which of the following terms refers to the number of molecules or ions attached to a central metallic atom? w) coordination number x) connection number y) bonding number z) none of these

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Why second-messenger systems are required for peptide hormones? -Biology

Description : Why second-messenger systems are required for peptide hormones? -Biology

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What are the differences between a peptide and steroid hormone? -Biology

Description : What are the differences between a peptide and steroid hormone? -Biology

Last Answer : answer:

How peptide bonds are formed? -Biology

Description : How peptide bonds are formed? -Biology

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What is the peptide bond that connects amino acids in proteins? -Biology

Description : What is the peptide bond that connects amino acids in proteins? -Biology

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What is lost from amino acids in the formation of a peptide bond? -Biology

Description : What is lost from amino acids in the formation of a peptide bond? -Biology

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What two elements are connected in a peptide bond of 2 amino acids? -Biology

Description : What two elements are connected in a peptide bond of 2 amino acids? -Biology

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Why peptide bond is planar? -Biology

Description : Why peptide bond is planar? -Biology

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What is a peptide bond? -Biology

Description : What is a peptide bond? -Biology

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Assertion `:` Removal of gall bladder does affect the protein digestion. Reason `:` Bile juice break the peptide bond.

Description : Assertion `:` Removal of gall bladder does affect the protein digestion. Reason `:` Bile juice break the peptide bond.

Last Answer : Assertion `:` Removal of gall bladder does affect the protein digestion. Reason `:` Bile juice break ... . D. If both Assertion & Reason are false.

Assertion `:` Pancreatic amylase digest protein to amino acid. Reason `:` Pancreatic amylase breaks the peptide bond of protein.

Description : Assertion `:` Pancreatic amylase digest protein to amino acid. Reason `:` Pancreatic amylase breaks the peptide bond of protein.

Last Answer : Assertion `:` Pancreatic amylase digest protein to amino acid. Reason `:` Pancreatic amylase breaks the ... D. If both Assertion & Reason are false.

When all the peptide bonds of a protein have been broken down . The result would be

Description : When all the peptide bonds of a protein have been broken down . The result would be

Last Answer : When all the peptide bonds of a protein have been broken down . The result would be A. Amide B. Oligosaccharide C. Polypeptide D. Amino acid

Which antibiotic inhibits peptide bond formation

Description : Which antibiotic inhibits peptide bond formation

Last Answer : Which antibiotic inhibits peptide bond formation A. Streptomycin B. Tetracycline C. Chloramphenicol D. Neomycin