2. Amino Acids a.) Which amino acid is this: A substitution on the methyl group of...
2. Amino Acids
a.) Which amino acid is this: A substitution on the methyl group of this amino acid with a hydroxyl group yields the amino acid Ser and substitution with a phenyl group yields the amino acid Phe.
b.) Which amino acid has an a-amino group that is bonded directly to two C atoms, forming a ring?
Homework Answers
Add Answer to:
2. Amino Acids
a.) Which amino acid is this: A substitution on the methyl group
of...
Explain this question please! Name (4 ofer to the Table of Amino Acids at the beginning of the exam to help solve this problem. Polypeptide I is a 12-mer and has the following amino acid compositi...
Explain this question please!
Name (4 ofer to the Table of Amino Acids at the beginning of the exam to help solve this problem. Polypeptide I is a 12-mer and has the following amino acid composition: Ala, Arg, 2 His, Leu, 2 Lys, 2 Phe, Ser, Thr, Trp Edman degradation of I shows that its N-terminal amino acid is His. Chymotrypsin cleavage of I yields peptide fragments A-D.Trypsin cleavage of I gives peptide fragments E-G. Shown below is the amino...
Question 5 Bio206 Homework 6 Amino Acids and Proteins Organic Chemistry II Due May 6, 2017 1. Which amino acid is least likely to be found in a natural protein? CH20H NHz CHs IV 2. A pentapeptide has...
Question 5
Bio206 Homework 6 Amino Acids and Proteins Organic Chemistry II Due May 6, 2017 1. Which amino acid is least likely to be found in a natural protein? CH20H NHz CHs IV 2. A pentapeptide has the molecular formula: Asp, Glu, His, Phe, Val. Partial hydrolysis of the pentapeptide gives: Val Asp, Glu His, Phe Val, and Asp Glu. What is the amino acid sequence of the pentapeptide? 3. When the pentapeptide below is heated first with 2,4-dinitrofluorobenzene...
2) A) Amino acids such as Phe and Val are not known to participate directly in acid-base or coval...
2) A) Amino acids such as Phe and Val are not known to participate directly in acid-base or covalent catalysis. Explain why B) Mutating a Phe and Val can still have dramatic effects on enzyme activity. Why?
2) A) Amino acids such as Phe and Val are not known to participate directly in acid-base or covalent catalysis. Explain why B) Mutating a Phe and Val can still have dramatic effects on enzyme activity. Why?
2. Name an amino acid in which the R group contains the following: .Hydroxyl group .Second...
2. Name an amino acid in which the R group contains the following: .Hydroxyl group .Second chiral carbon atom .An amide group An aromatic ring
Need help with #2 Clearly provide the 3-letter symbol for the correct sequence of cach amino...
Need help with #2
Clearly provide the 3-letter symbol for the correct sequence of cach amino acid in each of listings of the amino acids in the peptide or in any fragments are simply listed in alphabetical order. A subscriptive the number of that amino acid. Use parentheses to incorporate the unknown amino acids after each treatment 1. A five amino acid peptide contains: Arg. Glu, His, Phe, and Ser This peptide yields the following results when broken down into...
The activity of many enzymes is regulated by reversible covalent modifications. Kinases add a phosphate group...
The activity of many enzymes is regulated by reversible covalent modifications. Kinases add a phosphate group from an ATP to a specific hydroxyl group on an amino acid residue within an enzyme. Which of the following amino acids can be phosphorylated by a kinase? (Select all that apply) Cys His Tyr Thr Phe Ser Val
1.)Carbohydrates are aldehydes or ketones that contain multiple ___________ groups. hydroxyl phosphate methyl amino 2.) The...
1.)Carbohydrates are aldehydes or ketones that contain multiple ___________ groups. hydroxyl phosphate methyl amino 2.) The type of lipid that contains a four-ring structure and does not contain fatty acids is: glycolipid. phospholipid. steroid. triglyceride. none of the above 3.)Amino acids contain a(n): "R" side chain. carboxylic acid group. amine group. all of the above none of the above 4.An alpha helix is an example of which type of structure? Primary Structure Secondary Structure Tertiary Structure Quaternary Structure Pental Structure...
In the linear polymers of amino acids, the 42 group of one amino acid is linked...
In the linear polymers of amino acids, the 42 group of one amino acid is linked to the 43 group of another amino acid. 44 is the order in which the amino acids are covalently linked together through the peptide bond. The secondary (2) structure of proteins is the 45_ of the polypeptide chain backbone. C. Short Answer (12%)
1. The actual substitution of the methoxy group in methyl salicylate with the hydroxyl group in...
1. The actual substitution of the methoxy group in methyl salicylate with the hydroxyl group in salicylic acid requires one hydroxide ion, but in all actuality, a minimum of two equivalents of hydroxide ion are required for every one equivalent of the ester in order to achieve the theoretical yield. Explain why. 2.Why does the addition of sulfuric acid to the crude reaction mixture result in the precipitation of the product? Write a balanced reaction equation showing the chemistry that...
repulsion within the protein 10. Which of the following amino acids do not contain a chiral...
repulsion within the protein 10. Which of the following amino acids do not contain a chiral carbon? a. Proline b. Alanine c. Glycine d. Phenylalanine e. Tyrosine 11. You want to determine an amino acid sequence for a particular polypeptide. So you degrade the peptid and get the following fragments. Determine the peptide sequence. Digested with typsin: Met-Val-Ser-Thr-Lys Val-lle-Trp-Thr-Leu-Met-lle Leu-Phe-Asn-Glu-Ser-Arg Digested with chymotrypsin: Asn-Glu-Ser-Arg-Val-lle-Trp Thr-Leu-Met-lle Met-Val-Ser-Thr-Lys-Leu-Phe a. Val-lle-Trp-Thr-Leu-Met-lle-Leu-Phe-Asn-Glu-Ser-Arg-Met-Val-Ser-Thr-Lys b. Val-lle-Trp-Thr-Leu-Met-lle-Met-Val-Ser-Thr-Lys-Leu-Phe-Asn-Glu-Ser-Arg c. Leu-Phe-Asn-Glu-Ser-Arg-Met-Val-Ser-Thr-Lys-Val-lle-Trp-Thr-Leu-Met-le d. Met-Val-Ser-Thr-Lys-Leu-Phe-Asn-Glu-Ser-Arg-Val-le-Trp-Thr-Leu-Met-lle e. Met-Val-Ser-Thr-Lys-Val-lle-Trp-Thr-Leu-Met-lle-Leu-Phe-Asn-Glu-Ser-Arg
Explain this question please!
Name (4 ofer to the Table of Amino Acids at the beginning of the exam to help solve this problem. Polypeptide I is a 12-mer and has the following amino acid composition: Ala, Arg, 2 His, Leu, 2 Lys, 2 Phe, Ser, Thr, Trp Edman degradation of I shows that its N-terminal amino acid is His. Chymotrypsin cleavage of I yields peptide fragments A-D.Trypsin cleavage of I gives peptide fragments E-G. Shown below is the amino...
Question 5
Bio206 Homework 6 Amino Acids and Proteins Organic Chemistry II Due May 6, 2017 1. Which amino acid is least likely to be found in a natural protein? CH20H NHz CHs IV 2. A pentapeptide has the molecular formula: Asp, Glu, His, Phe, Val. Partial hydrolysis of the pentapeptide gives: Val Asp, Glu His, Phe Val, and Asp Glu. What is the amino acid sequence of the pentapeptide? 3. When the pentapeptide below is heated first with 2,4-dinitrofluorobenzene...
2) A) Amino acids such as Phe and Val are not known to participate directly in acid-base or covalent catalysis. Explain why B) Mutating a Phe and Val can still have dramatic effects on enzyme activity. Why?
2) A) Amino acids such as Phe and Val are not known to participate directly in acid-base or covalent catalysis. Explain why B) Mutating a Phe and Val can still have dramatic effects on enzyme activity. Why?
2. Name an amino acid in which the R group contains the following: .Hydroxyl group .Second chiral carbon atom .An amide group An aromatic ring
Need help with #2
Clearly provide the 3-letter symbol for the correct sequence of cach amino acid in each of listings of the amino acids in the peptide or in any fragments are simply listed in alphabetical order. A subscriptive the number of that amino acid. Use parentheses to incorporate the unknown amino acids after each treatment 1. A five amino acid peptide contains: Arg. Glu, His, Phe, and Ser This peptide yields the following results when broken down into...
In the linear polymers of amino acids, the 42 group of one amino acid is linked to the 43 group of another amino acid. 44 is the order in which the amino acids are covalently linked together through the peptide bond. The secondary (2) structure of proteins is the 45_ of the polypeptide chain backbone. C. Short Answer (12%)
repulsion within the protein 10. Which of the following amino acids do not contain a chiral carbon? a. Proline b. Alanine c. Glycine d. Phenylalanine e. Tyrosine 11. You want to determine an amino acid sequence for a particular polypeptide. So you degrade the peptid and get the following fragments. Determine the peptide sequence. Digested with typsin: Met-Val-Ser-Thr-Lys Val-lle-Trp-Thr-Leu-Met-lle Leu-Phe-Asn-Glu-Ser-Arg Digested with chymotrypsin: Asn-Glu-Ser-Arg-Val-lle-Trp Thr-Leu-Met-lle Met-Val-Ser-Thr-Lys-Leu-Phe a. Val-lle-Trp-Thr-Leu-Met-lle-Leu-Phe-Asn-Glu-Ser-Arg-Met-Val-Ser-Thr-Lys b. Val-lle-Trp-Thr-Leu-Met-lle-Met-Val-Ser-Thr-Lys-Leu-Phe-Asn-Glu-Ser-Arg c. Leu-Phe-Asn-Glu-Ser-Arg-Met-Val-Ser-Thr-Lys-Val-lle-Trp-Thr-Leu-Met-le d. Met-Val-Ser-Thr-Lys-Leu-Phe-Asn-Glu-Ser-Arg-Val-le-Trp-Thr-Leu-Met-lle e. Met-Val-Ser-Thr-Lys-Val-lle-Trp-Thr-Leu-Met-lle-Leu-Phe-Asn-Glu-Ser-Arg
Most questions answered within 3 hours.
-
A space vehicle is coasting at a constant velocity of 18.1 m/s
in the +y direction...
asked 55 minutes ago -
5) Use the following balanced equation to answer questions
(a)-(i).
3 Cu(s) + 8 HNO3(aq) →...
asked 36 minutes ago -
A three-year maturity bond with a 12% annual coupon rate is
currently traded at par $1000...
asked 45 minutes ago -
1.
What is the minimum volume to use in the Spec 20 cuvette in order
to...
asked 1 hour ago -
A builder wants to install wall-to-wall carpeting in a living
room of length 8.87 m and...
asked 1 hour ago -
Organizational change can produce anxiety in those affected by
the change. In what ways can change...
asked 1 hour ago -
Ozone in the atmosphere may react with nitric oxide.
From the following data, calculate the DG...
asked 1 hour ago -
Steven Long, a bond analyst, is analyzing a convertible bond.
The characteristics of the bond are...
asked 1 hour ago -
Michael Bordellet is
the owner/pilot of Stellar Air Service. The company flies a daily
round trip...
asked 1 hour ago -
Hi, I need to change the conversion where stack is into a class
stack and add...
asked 1 hour ago -
Consider the log logistic CDF F(t)=1/(1+(t/α)-β)
Find f(t), S(t), h(t), and H(t).
It can be shown...
asked 1 hour ago -
A gaseous mixture of methane and water vapor at
atmospheric pressure and 500 ° C is...
asked 1 hour ago