A DNA sample having mass 1 picogram undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required

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#Question id: 10743

#Unit 10. Ecological Principles

 Darlington proposed that

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#Question id: 31163

#Unit 7. System Physiology – Animal

Which of the following condition reduces the size of the action potential?

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#Question id: 15883

#Unit 12. Applied Biology

Sucrose is replace by another sugar in tobacco callus medium without effecting callus growth. This sugar is an osmotic agent and is not taken into the plant cells or metabolized because of its molecular size.

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#Question id: 11797

#Unit 6. System Physiology – Plant

A living cytoplasmic connection penetrate the walls between sieve tube elements and their companion cells; which are often complex and branched on the companion cell side, known as

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#Question id: 11621

#Unit 8. Inheritance Biology

A genetic trait becomes more strongly expressed or is expressed at an earlier age as it is passed from generation to generation, this is an example of