Answer to Question #101159 in Chemistry for Abhishek

Question #101159
(a) Describe the ways of classifying amino acids and give example of each class.

(b) What are the structural and functional differences between myoglobin and haemoglobin?
1
Expert's answer
2020-01-10T02:31:23-0500

(a) Amino acids are classified in different ways according to their structure and properties. In general, they can be divided into six groups according to their side chains:

  • Aliphatic (i.e., glycine, alanine)
  • Hydroxyl- and sulfur-containing (i.e., serine, cysteine)
  • Cyclic (proline)
  • Aromatic (i.e., tyrosine)
  • Basic (Histidine, arginine, lysine)
  • Acidic (Aspartate, glutamate)

(b) Hemoglobin consists of four polypeptide chains, whereas myoglobin is a protein consisting of a single subunit. Hemoglobin is an oxygen-transporting protein, while myoglobin is an oxygen-storing protein. Hemoglobin can be found in erythrocytes, whereas myoglobin is located in muscle fibers.


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Comments

Assignment Expert
02.03.20, 14:02

Dear Yiit, Questions in this section are answered for free. We can't fulfill them all and there is no guarantee of answering certain question but we are doing our best. And if answer is published it means it was attentively checked by experts. You can try it yourself by publishing your question. Although if you have serious assignment that requires large amount of work and hence cannot be done for free you can submit it as assignment and our experts will surely assist you.

Yiit
02.03.20, 10:58

What are the structural and functional differences between myoglobin and haemoglobin?

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