Alexander Varshavsky discovered, the half-lives of many cytoplasmic proteins vary with the identities of their N-terminal residues via the so-called N-end rule:-

A. Destabilizing N-terminal residues Asp, Arg, Leu, Lys, and Phe have half-lives of	i. Only 2 to 3 minutes,
B. Stabilizing N-terminal residues Ala, Gly, Met, Ser, Thr, and Val have half-lives of	ii. >10 hours in prokaryotes iii. >20 hours in eukaryotes.

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#Question id: 4585

#Unit 11. Evolution and Behavior

The cow Bos primigenius (which is bred for meat and milk) has a smaller brain and larger eyes than closely related wild species of ungulates. These traits most likely arose by ________.

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#Question id: 26508

#Unit 3. Fundamental Processes

Which of the following are true regarding the splicing of tRNA 

a.RnaseP cuts at 5’ end 

b.RnaseD cuts at 3’ end 

c.Base modification followed by CCA addition by specific polymerase

d.And then final script of 78 bp formed

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#Question id: 10961

#Unit 7. System Physiology – Animal

Over the past 12 weeks, a 75-year-old man with a moderate aortic stenosis has developed shortness of breath and chest pains during exertion. He appears pale. Test of his stool for blood is positive. Laboratory studies show the following: hemoglobin 7.2 g/dL, and mean corpuscular volume 75. A blood smear shows microcytic, hypochromic erythrocytes. Which of the following is the most likely diagnosis?

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#Question id: 27068

#Unit 1. Molecules and their Interaction Relevant to Biology

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration, choose the correct option regarding the given fig.

1. a is D-threonine is (2S, 3S) threonine

2. b is L-threonine is (2R,3S) threonine

3. a is L-threonine is (2S, 3R) threonine

4. b is D-threonine is (2R,3S) threonine

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#Question id: 11569

#Unit 7. System Physiology – Animal

Oxytocin and antidiuretic hormone (ADH) are synthesized in the ________ but released from the ________.