Leaf orientation is controlled by a specialized organ that contains motor cells that change their osmotic potential and generate mechanical forces that determine laminar orientation, that specialized organ is known as

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#Question id: 4872

#Unit 8. Inheritance Biology

F1 heterozygous females are test-crossed with males and produced 1800 progeny The interference between these genes is 0.4. What number is of observe double cross over? 

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#Question id: 14846

#Unit 13. Methods in Biology

Let A and B be events with P(A) =1/2 P(B) = 1/3 and   Then P(A/B) is

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#Question id: 31216

#Unit 4. Cell Communication and Cell Signaling

Two BH3-only proteins, are transcriptionally induced by the p53 protein, known as:

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#Question id: 5016

#Unit 11. Evolution and Behavior

Approximately how far back in time does the fossil record extend?

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#Question id: 7271

#Unit 5. Developmental Biology

In drosophila, Head formation required higher Bicoid concentrations than thorax formation, because