A common ancestor for both species C and E could be at position number 

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#Question id: 19697

#Unit 13. Methods in Biology

How to record through limb lead II in ECG?

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#Question id: 10922

#Unit 6. System Physiology – Plant

The non-reducing sugar sucrose is most commonly translocated in the phloem rather than reducing sugar. Why?

 a.) because they are less reactive than their reducing counterparts

 b.) because sucrose contains more energy than a monosaccharides

 c.) because the ketone or aldehyde group is reduced to an alcohol or combined with a similar group on another sugar so as not to be oxidized

 Which one of the following statements is true about translocation of non-reducing sugar?

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#Question id: 11752

#Unit 7. System Physiology – Animal

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

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#Question id: 10378

#Unit 6. System Physiology – Plant

Nod factor as signaling agents binds with the nod factor receptor NFR on the basis for host–symbiont specificity, which of the following is incorrect?

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#Question id: 9567

#Unit 10. Ecological Principles

Which part of the electromagnetic spectrum is the photosynthetically active region?