Which of the following statements is correct regarding the stereochemistry of Thr, Ile 

1. Thr, Ile is special case because of two chiral center exist in L-Ile in 2R,3S and L-Thr in 2R,3S configuration 

2. Thr, Ile is special case because of two chiral center exist in D-Ile in 2R,3S and D-Thr in 2R,3S configuration 

3. Thr, Ile is special case because of two chiral center exist in L–Ile in 2S,3R and L–Thr in 2S,3R 

4. Thr, Ile is special case because of two chiral center exist in D–Ile in 2S,3R and D–Thr in 2S,3R

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#Question id: 15412

#Unit 8. Inheritance Biology

For a trait known to be caused by a mitochondrial gene variant, there may be an occasional female that can transmit different phenotypes to her progeny on an apparently random basis. What situation might you suspect?

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#Question id: 18707

#Unit 13. Methods in Biology

primer dimers are formed when 

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#Question id: 4207

#Unit 3. Fundamental Processes

 If there is more globin than heme present in a reticulocyte, globin synthesis is stopped by

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#Question id: 11482

#Unit 7. System Physiology – Animal

The umami receptor in the sense of taste detects ________.

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#Question id: 15214

#Unit 13. Methods in Biology

Gels of 15% polyacrylamide are useful for separating proteins in the range Mr = 100,000 to 10,000,  while a 7.5% gel are used to separate