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City: Ludhiana

Ajay

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Dr Ajay Kumar Rai

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I am a biology teacher. I believe in concept building teaching of biology.

 
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Recent ▼
Suraj Pratap
Posted on Mar 02, 2015 1:35 PM

Sir, what is DNA origami?

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Suraj Pratap
Posted on Mar 10, 2015 3:16 PM

hello Sir

Ajay Kumar Rai
Posted on Jan 09, 2015 11:47 AM

Which artery in human body carries de-oxygenated blood except pulmonary artery?

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Ajay Kumar Rai
Posted on May 02, 2015 9:24 PM

yes. absolutely right.

Suraj Pratap
Posted on Feb 26, 2015 4:24 PM

am i right sir

Suraj Pratap
Posted on Feb 26, 2015 4:23 PM

umbilical arteries