A volatile compound is a strong competitive inhibitor of ethylene binding______

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#Question id: 12775

#Unit 10. Ecological Principles

Field observation suggests that populations of a particular species of herbivorous mammal undergo cyclic fluctuations in  density  at  three-  to  five-year  intervals.  Which  of  the  following  represent  (a)  plausible  explanation(s)  of  these cycles?

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#Question id: 6958

#Unit 5. Developmental Biology

Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?

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#Question id: 32136

#Unit 1. Molecules and their Interaction Relevant to Biology

Bonds shown as A, B, C are as

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#Question id: 4337

#Unit 3. Fundamental Processes

Which of the following conditions is most likely to cause the lactose operon to be transcribed?

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#Question id: 1149

#Unit 4. Cell Communication and Cell Signaling

1,2-diacylglycerol (DAG) and inositol 1,4,5-trisphosphate (IP3) are cleaved from phosphatidylinositol 4,5-bisphosphate (PIP2) by the enzyme: