Use the figure to answer the following question.

Which extinct species should be the best candidate to serve as the outgroup for the clade whose common ancestor occurs at position 2 in the figure?

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#Question id: 2991

#Unit 2. Cellular Organization

Early observations of a cultured cell line indicated that the cells did not exhibit either density-dependent inhibition or anchorage dependence. What do these observations suggest about this cell line?

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#Question id: 11471

#Unit 7. System Physiology – Animal

Hair cells in the vertebrate ear are responsible for transducing sound pressure waves. Ion channels in the hair cell membrane open when ________.

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#Question id: 28348

#Unit 5. Developmental Biology

After the organization of microtubules, Bicoid mRNA is transferred into the oocytes, which of the following statement is correct about the Bicoid mRNA

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#Question id: 18833

#Unit 13. Methods in Biology

The PCR procedure, where Taq polymerase is added after the rest of the PCR components are heated to the  DNA melting temperature, so as to avoid non-specific amplification at lower temperatures is

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#Question id: 28827

#Unit 2. Cellular Organization

Microtubules are polymers of the____