H1 is most basic and heaviest

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#Id: 4013

#Unit 7. System Physiology – Animal

SA node has Prepotential or pacemaker potential which is the gradual potential rise from the resting membrane potential to threshold  ( -40 mV) & this occur spontaneously

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#Id: 7054

#Unit 11. Evolution and Behavior

Hitchhiking: Change in the frequency of an allele due to linkage with a selected allele at another locus.

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#Id: 912

#Unit 13. Methods in Biology

The MTT assay can measure cell proliferation or cell death.

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#Id: 2196

#Unit 10. Ecological Principles

Plant species richness with field age

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#Id: 8277

#Unit 1. Molecules and their Interaction Relevant to Biology

For maximum stability, the donor pair (AH) and the acceptor (B) are usually colinear (that is, i., AHB = 180°), but deviations of up to 30° are known.