Which of the following substances enhances the sensitivity of pain receptors but does not directly excite them?

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#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?

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#Question id: 18702

#Unit 13. Methods in Biology

What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?

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#Question id: 18703

#Unit 13. Methods in Biology

If the weight of 1 mol bp is 660g What will the no. of moles in 4 х 10⁶ bp

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#Question id: 18704

#Unit 13. Methods in Biology

If the weight of 1 mol bp is 660g What will the no. of moles in human genome having 3 x 10⁹ bp

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#Question id: 18705

#Unit 13. Methods in Biology

What will weight in picogram in human genome 

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#Question id: 18706

#Unit 13. Methods in Biology

Sources of thermostable DNA polymerases with proofreading (3′–5′ exonuclease) activity are given match them correctly

	DNA polymerase		Source
a.	Tma	i.	Thermotoga maritima
b.	Deep vent tm	ii.	Pyrococcus furiosus
c.	Tli	iii.	Thermococcus litoralis
d.	Pfu	iv.	Pyrococcus sp
e.	Pwo	v.	Pyrococcus woesi