Which of the following is most likely to reduce competition in sympatric, closely related species? 

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#Question id: 13068

#Unit 13. Methods in Biology

Coating antibody; which actively traps antigen

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#Question id: 9611

#Unit 9. Diversity of Life Forms

If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be

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#Question id: 1116

#Unit 4. Cell Communication and Cell Signaling

What is a primary function of transcription factors?

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#Question id: 28197

#Unit 5. Developmental Biology

Which of the following properties must have the responding cell?   

a) Capability to induce neighbouring cell

b) receptor protein for the inducing factor

c) ability to respond to the signal

d) have signalling molecules

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#Question id: 26926

#Unit 10. Ecological Principles

Which of the following factors are involved to determine the fundamental niches of organisms?