In the human pedigree shown here, the daughter indicated by the black circle (II-1) has a form of deafness determined by a recessive allele. What is the probability that the phenotypically normal son (II 3) is heterozygous for the gene?

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#Question id: 2170

#XL - S Microbiology

How does uniport transport compare with simple diffusion?

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#Question id: 2171

#XL - S Microbiology

Aquaporins are

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#Question id: 2172

#XL - S Microbiology

The osmotic potential of a hypotonic solution should cause an animal cell to _____, but with frog oocytes prevent this effect by _____.

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#Question id: 2173

#XL - S Microbiology

Which of the four classes of ATP-powered pumps share overall similarity: several subunits, the same general organization, and a similar function as H+ transporters?

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#Question id: 2174

#XL - S Microbiology

The major ATP-powered pump responsible for maintaining ion gradients across the plasma membrane of mammalian cells is:

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#Question id: 2175

#XL - S Microbiology

 ABC superfamily proteins are thought to act as ATP-dependent flippases in transporting: