The evolutionary change happening below the level of species

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#Question id: 11173

#Unit 10. Ecological Principles

Chemical signals between individuals of the same species are called

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#Question id: 18832

#Unit 13. Methods in Biology

The following PCR technique allows measuring the DNA amplification at each cycle of PCR contrary to end point detection in traditional PCR

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#Question id: 1322

#Unit 4. Cell Communication and Cell Signaling

Adherens junctions are specialized cell junctions that form by linking the …………to transmembrane proteins known as ……………..

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#Question id: 9265

#Unit 9. Diversity of Life Forms

To apply parsimony to constructing a phylogenetic tree,

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#Question id: 1378

#Unit 4. Cell Communication and Cell Signaling

Which of the following apply to fibronectins? Please select all that apply.

a) They are disulphide linked dimers, with each polypeptide composed of a number of binding domains joined together by short flexible segments.

b) They have an essential role in linking the extracellular matrix to its underlying cells.

c) Like integrins, fibronectins are directly connected to the cytoskeleton.

d) They participate in 'inside out' and 'outside in' signalling mechanisms.