MSCI 660 Week 4 Quiz 2 Part 2 Membrane Transport and Cell Compartmentalization- Liberty University Online
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MSCI 660
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MSCI 660
MSCI 660 Week 4 Quiz 2 Part 2 Membrane Transport and Cell Compartmentalization- Liberty University Online/MSCI 660 Week 4 Quiz 2 Part 2 Membrane Transport and Cell Compartmentalization- Liberty University Online/MSCI 660 Week 4 Quiz 2 Part 2 Membrane Transport and Cell Compartmentalization- Liberty...
msci 660 week 4 quiz 2 part 2 membrane transport and cell compartmentalization liberty university onlinemsci 660 week 4 quiz 2 part 2 membrane transport and cell compartmentalization liberty univer
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4/6/22, 9:56 AM Quiz: Membrane Transport and Cell Compartmentalization/Protein Sorting: MSCI660: Principles of Cellular Biology (D03)
( ) At least two signal sequences are required to direct proteins to
the mitochondrial matrix.
FTFT
TTTT
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FFTF
TFFT
Question 15 2..5 pts
In contrast to transporters, the channel proteins in cellular
membranes …
can only mediate passive transport.
interact strongly with the solute(s) that they transport.
undergo a conformational change every time they transport a
solute.
, 4/6/22, 9:56 AM Quiz: Membrane Transport and Cell Compartmentalization/Protein Sorting: MSCI660: Principles of Cellular Biology (D03)
The Nernst equilibrium potential for an ion that is 10 times more
concentrated in the cytosol compared to the extracellular fluid is
about –60 mV. How much would the potential be if the
extracellular concentration decreases 100-fold with no change in
the intracellular concentration?
–6000 mV
–600 mV
–6 mV
–20 mV
–180 mV
Question 17 2..5 pts
Which of the following transporters mediates primary active
transport when transporting the solutes in the directions
indicated? The concentration of both solutes (shown as small
circles and squares) is higher outside of the cell.
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