Question

1) Which of the following is an amino acid? A) e R-CH-CH2-C00R -CH-CooR -CH-C-CO ile R-CH-C-NH3 R-C=CH-Coo NH3 NH3 NH3 ONH 3
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Nhz 1.© R-çn-coo@ 2. ® Cysteine 3. 0 Nonpolas 4. I. nie ma tu S. G © Isoleucine ® Amino acids

Add a comment
Know the answer?
Add Answer to:
1) Which of the following is an amino acid? A) e R-CH-CH2-C00R -CH-CooR -CH-C-CO ile R-CH-C-NH3...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Amino Acids SW C2 9. Which of the following is an L-amino acid? çoo coo coo...

    Amino Acids SW C2 9. Which of the following is an L-amino acid? çoo coo coo HẠN |-R HANH, HẠN –H HÀNH R coo B. 10. The following questions refer to the structures A-E below: (a) Which represents the structure of an amino acid at very high pH? (b) Which is a zwitterion? (c) Which represents the structure of an amino acid at very low pH? (d) Which structure/(s) is/are) not possible? R-CH-COOR-CH-COOH R-CH-COOH R-CH-COOR -CH-COO NH2 NH2 *NH NH2...

  • m ical reactions 8) Which of the following represents an amino acid in a basic solution...

    m ical reactions 8) Which of the following represents an amino acid in a basic solution (pH-11)? A) R-CH-COOR -CH-COOH ENH2 R--CH-COOH R-CH-coo C) NH3 D) 3NH3 9) Which of the following is a zwitterion? B) NH2 R-CH-Coo E) NH2 A) R-CH-COO R-ch-cool R-ca-cooH R-ch-coo H2B) NH2C) NH3 D) NH3 R-ca-coo E) NH2 10) Which of the following amino acids has the lowest isoelectric point? A) glutamic acid B) lysine C) valine D) glycine E) methionine 11) Calculate the isoelectric...

  • 4. Write out the 10 structure for the following polypeptide: он он HyN-CH-C-N-CH-C-N-CH-COO CH2 CH-OH CH...

    4. Write out the 10 structure for the following polypeptide: он он HyN-CH-C-N-CH-C-N-CH-COO CH2 CH-OH CH C-NH2 CH3 COO 5. Illustrate the possible 2° structure interactions in the following polypeptide: R. 6. Identify the type of 3° structure interaction that will occur between the following pairs of amino acids: a) Aspartic acid and lysine b) Serine and tyrosine c) Leucine and valine d) Cysteine and cysteine 7. Draw out the products of the hydrolysis of the following polypeptide: HsN CH-C-N-C-C-N-C-C-N-CH-C-N-CH-COo...

  • Please explain, Thanks! The following image shows the 20 amino acids found in proteins. OH CH...

    Please explain, Thanks! The following image shows the 20 amino acids found in proteins. OH CH H HNCOOH Glycine HN HẠN CHO Alanine HẠN COOH Serine н соон Threonine Cysteine HAN COOHHN COOH Nлсоон н соон Methionine Valine Leucine Isoleucine Proline OOH MNCOOHHN COOH HN COOH H COOH HẠNỐIOOH Apartic Acid Phenylalanine Tyrosine Tryptophan Glutamic Acid HNCOOHH COOH Asparagine Glutamine HNCOOHNCOOH Histidine Lysine н соон Arginine Imagine that in a protein, a lysine amino acid is replaced with an isoleucine....

  • Will vote for correct answer! Thank you! Given the following four amino acids at pH 7.4,...

    Will vote for correct answer! Thank you! Given the following four amino acids at pH 7.4, identify the amino acid and class. Be sure to scroll dow to see all four structures. basic asparagine H3N CH-C O neutral polar glutamine CH O hydrophobic O aspartate CH O glutamate O acidic CEO O neutral polar leucine H3N-CH -C-O isoleucine acidic CH CH O hydrophobic Valine basic O hydrophobic arginine CH -C O histidine basic CH (Continued below...) O acidic CH lysine...

  • Which of the following amino acids has an aliphatic R group? Which of the following amino...

    Which of the following amino acids has an aliphatic R group? Which of the following amino acids has an aliphatic R group? tyrosine, leucine ,serine cysteine asparagine

  • The chemical structures of the 20 standard amino acids at pH 7, along with their 3...

    The chemical structures of the 20 standard amino acids at pH 7, along with their 3 and 1 letter codes, are givern in alphabetical order below. While the oxygen and nitrogen atoms of the peptide bonds may serve as a donor atom to complex a metal ion, very often the ligands for the metal come from the amino acid side chains. Takea few moments to examine the chemical structures of the different side chains. Circle the side chains that you...

  • 19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid an...

    19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid and serine, whose structures are shown here, is HiN-CH-C-0HIN-CH-C-0 CH2 CH OH aspartic acid serine A HN-CH-C-o-N-CH-C-o CH OH CH2 coo -(H-C-o-H-c-o CH OH CH2 HIN CH-C-N-CH-C-O CH OH CH H-CH-CH CH CH OH coo- 20) Where is the peptide bond located in this dipeptide? serine valine a) the CO-NH joining serine and the valine b) the doubly bonded oxygen just left of center between the...

  • Which of the following amino acids will be retained longest in the column when separated by...

    Which of the following amino acids will be retained longest in the column when separated by cation-exchange chromatography? H 1. Serine HO-CH2-C-COO® IV. Lysine NH H3N-CH2CH2CH2CH2CH -COOH NH H H V. Phenylalanine -CH--COOH NH II. Alatine Chy-d-coop H II. Cysteine HS-CH -¢-Coo® NH О О О О О IV V

  • The one-letter sequence is: WATER a) Draw the peptide (R-groups trans), indicating charges, in pr...

    The one-letter sequence is: WATER a) Draw the peptide (R-groups trans), indicating charges, in predominant form found at pH = 0. b) What is the isoelectric point? c) What is the average charge on the population of peptide macromolecules at pH = 2.2? d) What is the average charge on the population of peptide macromolecules at pH = 12.5? TABLE 4.1 Amino Acid Alanine Arginine Asparagine Aspartic acid Cysteine....« Glutamic acid Glutamine Glycine Histidine Isoleucine Leucine Lysine … Methionine Phenylalanine...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT