The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5).  In an aqueous solution, pH = 7.0, selenocysteine would:

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#Question id: 15909

#Unit 5. Developmental Biology

Which of the following gene activated by Doublesex complex to promote growth of the female portions of the genital disc?

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#Question id: 19451

#Unit 13. Methods in Biology

We use different lenses in combinations. The total magnification is represented as

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#Question id: 12951

#Unit 7. System Physiology – Animal

If the cortical collecting tubule tubular fluid inulin concentration is 40 mg/100 ml and plasma concentration of inulin is 2.0 mg/100 ml, what is the approximate percentage of the filtered water that remains in the tubule at that point?

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#Question id: 5617

#Unit 5. Developmental Biology

In sea urchins and mammals, the rise in Ca2+ concentration responsible for the cortical granule reaction is due to

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#Question id: 27003

#Unit 10. Ecological Principles

In competitive species N1 and N2, four individuals of N2 use the same resource as one individual of N1. According to the conversion factor, what is the value of the per capita competitive effect of N2 on N1(α) and per capita effect of N1 on N2 ( β) respectively?