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10. In protein structure, adjacent amino acids are connected to each...
The _______ of amino acids in a protein is referred to as its primary structure
24. The _______ of amino acids in a protein is referred to as its primary structure. A) twisting B) sequencing C) folding D) none of these 25. The structure of a protein is most important because the _______ of the amino acids determines its overall shape, function and properties. A) primary, twisting B) primary, sequencing C) secondary, twisting D) secondary, folding E) none of these 26. The secondary structure of a protein is due to_______ between amino acid residues. A) hydrophobic interactions B) hydrogen bonding...
(1.25 pts) Fill in blanks in the following paragraph regarding levels of protein structure. There are...
(1.25 pts) Fill in blanks in the following paragraph regarding levels of protein structure. There are Successive amino acids in the polypeptide chains that make up a protein are held together by structure. For example, beta pleated sheets are examples of protein's 1. different amino acids that make up most proteins Proteins can have levels of protein structure, while describing the structure of a helicase as a homohexamer is describing its structure
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...
QUESTION 2 Select the CORRECT statements (chose all that are correct). Secondary protein structures are held...
QUESTION 2 Select the CORRECT statements (chose all that are correct). Secondary protein structures are held together by disulphide bridges/bonds. Alpha helices and beta sheets are common secondary protein structures. Tertiary protein structures are held together by covalent bonds only. Secondary protein structures are held together by hydrogen bonds only. All proteins have a quaternary protein structure. Amino acids linked with a peptide bond make up the primary protein structure.
added part a of the question for clarity 1. Polypeptides are the natural polymer of the...
added part a of the question for clarity
1. Polypeptides are the natural polymer of the naturally occurring amino acids. Their structure can be considered at various levels to consist of Primary: amino acid sequence secondary: regions of ordered structure (a-helix, B-sheet, etc.) tertiary: overall 3D shape; folding quarterniary: interaction of protein sub-units (a) Consider the following segment of a polyamide H Show the resonance structures for the amide bond (in the box) (i) (ii) Indicate what o and w...
Understand alpha helices and beta pleated sheets Question How is it possible for the a-helix to have amino acids with b...
Understand alpha helices and beta pleated sheets Question How is it possible for the a-helix to have amino acids with bulky side chains while the B-pleated sheets cannot? Select the correct answer below: O The R groups in the a-helix stabilize the structure, while they interfere with the hydrogen bonds in a B-pleated sheet. The R groups are contained inside the a-helix structure, while they interfere with the hydrogen bonds in a B- pleated sheet. O The R groups lie...
6. The following polypeptide (30 amino acids) contains a great deal of regular secondary structure. (10)...
6. The following polypeptide (30 amino acids) contains a great deal of regular secondary structure. (10) (15) (20) lys Lys Ala-Phe-Trp-Met-His- GIh-Thr-lle-Arg-Ser-Gly-Ala-Gly-Ser-Gly-Ala-Trp-Tyr-Pro-Val-Ala (30) Phe-Met-Leu-Val-Pro-Glu-Glu There are at least two regions where alpha helical structure is found. Indicate the beginning and ending residues of these regions. Any group or groups which break the alpha helical structure should not be considered part of the helix. Remember that it take four residues to give a turn of an alpha helix, so that is...
6. (a) Show the arrangement of the groups on the a carbon of the naturally occurring amino acids (draw out the stereoce...
6. (a) Show the arrangement of the groups on the a carbon of the naturally occurring amino acids (draw out the stereocentre). (b) What is the significance of chirality in the biological world? 7. (a) Sh (a) Show the repeating unit of the polypeptide chain in a protein and indicate the peptide bond. (b) What are the following structures of a protein (i) primary, (ii) secondary, (iii) tertiary and (iv) quaternary. 1. Polypeptides are the natural polymer of the naturally...
1 attempts left Check my work Choose the key term that matches the description provided: High...
1 attempts left Check my work Choose the key term that matches the description provided: High molar mass biomolecules that regulate the use of genetic information to regulate the synthesis of proteins. Transfer RNA Deoxyribonucleic acid Nucleic acids Active site Ribonucleotide Lipid Secondary structure Translation O Peptide Carbohydrate Choose the key term that matches the description provided: The secondary structure adopted by many proteins, in which the protein chain is twisted into a helix Protein Pleated sheet structure Codon Hydrolysis...
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary p...
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary protein structures of and alpha helix and a beta pleated sheet together and the hydrogen bonding that holds the tertiary structure together? (4 points) 26. List the 6 classes of enzymes and describe what types of reactions they catalyze. (3 points per class of enzymes, 18...
(1.25 pts) Fill in blanks in the following paragraph regarding levels of protein structure. There are Successive amino acids in the polypeptide chains that make up a protein are held together by structure. For example, beta pleated sheets are examples of protein's 1. different amino acids that make up most proteins Proteins can have levels of protein structure, while describing the structure of a helicase as a homohexamer is describing its structure
QUESTION 2 Select the CORRECT statements (chose all that are correct). Secondary protein structures are held together by disulphide bridges/bonds. Alpha helices and beta sheets are common secondary protein structures. Tertiary protein structures are held together by covalent bonds only. Secondary protein structures are held together by hydrogen bonds only. All proteins have a quaternary protein structure. Amino acids linked with a peptide bond make up the primary protein structure.
added part a of the question for clarity
1. Polypeptides are the natural polymer of the naturally occurring amino acids. Their structure can be considered at various levels to consist of Primary: amino acid sequence secondary: regions of ordered structure (a-helix, B-sheet, etc.) tertiary: overall 3D shape; folding quarterniary: interaction of protein sub-units (a) Consider the following segment of a polyamide H Show the resonance structures for the amide bond (in the box) (i) (ii) Indicate what o and w...
Understand alpha helices and beta pleated sheets Question How is it possible for the a-helix to have amino acids with bulky side chains while the B-pleated sheets cannot? Select the correct answer below: O The R groups in the a-helix stabilize the structure, while they interfere with the hydrogen bonds in a B-pleated sheet. The R groups are contained inside the a-helix structure, while they interfere with the hydrogen bonds in a B- pleated sheet. O The R groups lie...
6. The following polypeptide (30 amino acids) contains a great deal of regular secondary structure. (10) (15) (20) lys Lys Ala-Phe-Trp-Met-His- GIh-Thr-lle-Arg-Ser-Gly-Ala-Gly-Ser-Gly-Ala-Trp-Tyr-Pro-Val-Ala (30) Phe-Met-Leu-Val-Pro-Glu-Glu There are at least two regions where alpha helical structure is found. Indicate the beginning and ending residues of these regions. Any group or groups which break the alpha helical structure should not be considered part of the helix. Remember that it take four residues to give a turn of an alpha helix, so that is...
6. (a) Show the arrangement of the groups on the a carbon of the naturally occurring amino acids (draw out the stereocentre). (b) What is the significance of chirality in the biological world? 7. (a) Sh (a) Show the repeating unit of the polypeptide chain in a protein and indicate the peptide bond. (b) What are the following structures of a protein (i) primary, (ii) secondary, (iii) tertiary and (iv) quaternary. 1. Polypeptides are the natural polymer of the naturally...
1 attempts left Check my work Choose the key term that matches the description provided: High molar mass biomolecules that regulate the use of genetic information to regulate the synthesis of proteins. Transfer RNA Deoxyribonucleic acid Nucleic acids Active site Ribonucleotide Lipid Secondary structure Translation O Peptide Carbohydrate Choose the key term that matches the description provided: The secondary structure adopted by many proteins, in which the protein chain is twisted into a helix Protein Pleated sheet structure Codon Hydrolysis...
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary protein structures of and alpha helix and a beta pleated sheet together and the hydrogen bonding that holds the tertiary structure together? (4 points) 26. List the 6 classes of enzymes and describe what types of reactions they catalyze. (3 points per class of enzymes, 18...
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