The trans form is the more favoured state because in this arrangement repulsion between non-bonded atoms connected to the Cα centre are minimized. 

For most peptide bonds the ratio of cis to trans configurations is approximately 1:1000.

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#Id: 9913

#Unit 4. Cell Communication and Cell Signaling

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites

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#Unit 13. Methods in Biology

Gradient Gels electrophoresis are performed using gradient of  acrylamide Concentration that varies uniformly from, typically, 5% at the top of the gel to 25% acrylamide at the bottom of the gel.

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#Id: 3841

#Unit 5. Developmental Biology

gp 24– form loose aggregate

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#Id: 10451

#Unit 4. Cell Communication and Cell Signaling

Chromosomal translocation 

That brings a growth regulatory gene under the control of alternative enhancers that cause inappropriate expression of the gene

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#Id: 7460

#Unit 5. Developmental Biology

Ammonia inhibits PKA by indirectly activating cAMP hydrolysis via DhkC-RdeA mediated phosphorylation of RegA.