A laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge.

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#Question id: 31169

#Unit 7. System Physiology – Animal

The basis for the relative refractory period is the: 

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#Question id: 12424

#Unit 10. Ecological Principles

The logistic model predicts a population growth curve that approximates the shape of a(n)

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#Question id: 4819

#Unit 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?

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#Question id: 11581

#Unit 7. System Physiology – Animal

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.

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#Question id: 12129

#Unit 10. Ecological Principles

Which of the following treatments would most likely create a healthy, biodiverse community out of an impoverished community?