The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.

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#Question id: 2105

#I Life Science/ Life Sciences Group – I-V

An investigator wants to use FRAP to quantify the lateral movement of a specific plasma membrane protein, but to do so this investigator must first:

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#Question id: 1726

#SCPH05 I Biotechnology

What is CD8 a marker of?

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#Question id: 2627

#I Life Science/ Life Sciences Group – I-V

Binding of repressor on to the operator sequences, RNA polymerase binding is analyzed by; Which one is incorrect.

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#Question id: 16480

#SCPH28 | Zoology

What are primary cell cultures 

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#Question id: 4925

#SCPH28 | Zoology

The pedigree in Figure shows the transmission of a trait in a particular family. Based on this pattern of transmission, the trait is most likely