pH dependent ionisation of proteins
Why is the final structure native protein molecule is stabilized by electrostatic bonding between ionised groups of opposite change
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please help Tor F. A) High molecular weight proteins will migrate farther during gel electrophoresis (SDS-PAGE)....
please help
Tor F. A) High molecular weight proteins will migrate farther during gel electrophoresis (SDS-PAGE). d) B-sheet protein structures can be stabilized by hydrogen bonding between distant residues on the same polypeptide. e) B-sheets are a type of secondary structure and are found in every protein.
2) At a pH greater than that of its isoelectric point, the structure of glycine is...
2) At a pH greater than that of its isoelectric point, the structure of glycine is a) H-CH-COOH b) H-CH-C00- c) H-CH-CO e) H-CH-COO COOH b) H-CH-C00- c) H-CH-COOH d) H-CH-COO NH2 NH2 NH2 NH3 NH 3) Which of the following structures can be destroyed by the dena structures can be destroyed by the denaturation of a protein? a) Only primary and tertiary structures of a protein. b) Only secondary, tertiary y secondary, tertiary, and quaternary structures of a protein....
Since the secondary structure of a protein results from hydrogen bonding between components shared by all amino acids
Distinguish between the different levels of protein structure, including primary, secondary, tertiary, and quaternary Question Is the following statement true? If not, explain why not: Since the secondary structure of a protein results from hydrogen bonding between components shared by all amino acids (a hydrogen on an amide N on one amino acid interacts with an oxygen on the carbonyl of another amino acid), the secondary structure does not depend on the specific amino acid groups (the R-groups) in the amino acid chain. Select...
In proteins, the hydrogen bonding responsible for the secondarystructure of a protein generally takes place...
In proteins, the hydrogen bonding responsible for the secondary
structure of a protein generally takes place between backbone
carbonyl oxygen atoms and amide hydrogen atoms. In contrast, the
hydrogen bonding that contributes to tertiary structure generally
occurs between amino acid side chains.Two serine residues are shown below, with possible hydrogen bonds
shown in green. Which bonds depict the hydrogen bonding that occurs
between serine residues and contributes to tertiary
structure?
3. The important function of molecular chaperones to A. move proteins from endoplasmic reticulum to the...
3. The important function of molecular chaperones to A. move proteins from endoplasmic reticulum to the Golgi apparatus B. fold proteins into a native conformation C. add cofactors, coenzymes or prosthetic groups to proteins as they are synthesized D. assemble protein subunits into a quaternary structure E. transport proteins to either the plasma membrane or release them from cells to the extracellular space 4. Protein folding to a native conformation is highly dependent upon all of the following, except: A....
Review| Constants| Periodic Table Protein structure is conceptually divided into four levels, from most basic to...
Review| Constants| Periodic Table Protein structure is conceptually divided into four levels, from most basic to higher order Primary structure describes the order of amino acids in the peptide chain. Secondary structure describes the basic three-dimensional structures, a-helices and B sheets. Tertiary structure describes how the secondary structures come together to form an individual globular protein. Quatemary structure results from individual proteins coming together to form multi-subunit protein complexes Part A Complete the following vocabulary exercise relating to the level...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic acid (pK,-3.86) and 0.050 M sodium lactate 1: The aqueous environment of cells: A. Is generally irrelevant to biochemical structures and processes B. Serves as a source of energy for biochemical A. 3.16 B. 4.56 processes С. 3.82 D. 3.9 C. Provides an appropriate context for polar molecules and H-bonding that are critical for life D. Allows biochemical molecules to move freely in solution...
Which sentence does describe definition of tertiary structure of proteins? A. Tertiary structure of proteins is...
Which sentence does describe definition of tertiary structure of proteins? A. Tertiary structure of proteins is defined as amino acid sequence of their polypeptide chain(s) B. Tertiary structure of proteins is defined as regular set up of their polypeptide chain(s) to form a-helix or b-sheets. C. Tertiary structure of proteins is defined as spatial set up of domains of proteins linked by peptide bounds. D. Tertiary structure of proteins is defined as spatial set up of subunits of...
With respect to proteins, a change in pH cannot alter: primary structure All of the above...
With respect to proteins, a change in pH cannot alter: primary structure All of the above quaternary structure tertiary structure secondary structure Which of the following statements about phospholipid molecules is false? None of the above phospholipases can switch the acyl groups as well as the head groups have different head groups have glycerol backbone should have palmitate as one of the acyl groups
The type of bonding that maintains the secondary structure in a protein is the
The type of bonding that maintains the secondary structure in a protein is theA) Hydrogen bonds between the carbonyl and amino groups of the backboneB) Covalent bond between the carbonyl and amino groups of the amino acidsC) Hydrogen bonds between two amino acidsD) Disulfide bonds that hold two polypeptide chains togetherE) Hydrogen bonds between two amino groups
please help
Tor F. A) High molecular weight proteins will migrate farther during gel electrophoresis (SDS-PAGE). d) B-sheet protein structures can be stabilized by hydrogen bonding between distant residues on the same polypeptide. e) B-sheets are a type of secondary structure and are found in every protein.
2) At a pH greater than that of its isoelectric point, the structure of glycine is a) H-CH-COOH b) H-CH-C00- c) H-CH-CO e) H-CH-COO COOH b) H-CH-C00- c) H-CH-COOH d) H-CH-COO NH2 NH2 NH2 NH3 NH 3) Which of the following structures can be destroyed by the dena structures can be destroyed by the denaturation of a protein? a) Only primary and tertiary structures of a protein. b) Only secondary, tertiary y secondary, tertiary, and quaternary structures of a protein....
In proteins, the hydrogen bonding responsible for the secondary
structure of a protein generally takes place between backbone
carbonyl oxygen atoms and amide hydrogen atoms. In contrast, the
hydrogen bonding that contributes to tertiary structure generally
occurs between amino acid side chains.Two serine residues are shown below, with possible hydrogen bonds
shown in green. Which bonds depict the hydrogen bonding that occurs
between serine residues and contributes to tertiary
structure?
3. The important function of molecular chaperones to A. move proteins from endoplasmic reticulum to the Golgi apparatus B. fold proteins into a native conformation C. add cofactors, coenzymes or prosthetic groups to proteins as they are synthesized D. assemble protein subunits into a quaternary structure E. transport proteins to either the plasma membrane or release them from cells to the extracellular space 4. Protein folding to a native conformation is highly dependent upon all of the following, except: A....
Review| Constants| Periodic Table Protein structure is conceptually divided into four levels, from most basic to higher order Primary structure describes the order of amino acids in the peptide chain. Secondary structure describes the basic three-dimensional structures, a-helices and B sheets. Tertiary structure describes how the secondary structures come together to form an individual globular protein. Quatemary structure results from individual proteins coming together to form multi-subunit protein complexes Part A Complete the following vocabulary exercise relating to the level...
Multiple Choice (2 pts each) 6: Calculate the pH of a buffer containing 0.010 M lactic acid (pK,-3.86) and 0.050 M sodium lactate 1: The aqueous environment of cells: A. Is generally irrelevant to biochemical structures and processes B. Serves as a source of energy for biochemical A. 3.16 B. 4.56 processes С. 3.82 D. 3.9 C. Provides an appropriate context for polar molecules and H-bonding that are critical for life D. Allows biochemical molecules to move freely in solution...
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