In a lactating mammal, the two hormones that promote milk synthesis and milk release, respectively, are ________.

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#Question id: 10823

#10. Ecological Principles

Which of the following statements about symbiotic relationships is true?

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#Question id: 775

#1. Molecules and their Interaction Relevant to Biology

The formation of microRNA is to:

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#Question id: 12579

#10. Ecological Principles

Which of the following probably contains the highest concentration of toxic pollutants (biological magnification)? 

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#Question id: 3430

#11. Evolution and Behavior

The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by

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#Question id: 4819

#8. Inheritance Biology

Plant with genotype AB/ab is test cross, two genes are linked are 10 map units apart. What proportion of progeny will have the genotype aabb?