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Suppose that the extracellular concentration of Cl– is 123 mM and the intracellular concentrationis 4 mM. The membrane electrical potential (?V) is 0.06 V, inside negative relative to outside.At 298 K, for transport of Cl– ions from the outside into the cell:
1) Calculate the electrical potential term of ? Gtransport for transport of Cl– ions into the cell, the term reflecting the electrical gradient across the membrane. Does this term favor flow of Cl– ions into the cell, or out of the cell?2) Calculate the overall ? Gtransport for flow of Cl– ions from outside into the cell. Would Cl– ions flow into the cell, or out of the cell, under conditions described in question above?
The organism may well potentially be a crab, a shrimp, a barnacle, or a bivalve. The presence of which structures would allow for the most certain identification of the organism.
One theme of the class has been the importance of evolution in biology.
What is the probability that a child born to Sheala and Zoltan would have at least one of the three diseases, cystuc fibrosis, DMD or thalassemis major?
What can be said about a human whose cells contain Barr Bodies.
Knowing the length that DNA traveled on an agarose gel after electrophoresis, how do I determine the length of the unknown DNA fragment which traveled (19mm) on the gel.
It is commonly reported that up to 50 percent of a cell’s energy budget is spent on protein synthesis. How do you suppose such a measurement might be made?
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describe the swan ganz catheter explaining what other measurements than cardiac output can be measured using this and
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How (and why) can plant hormones be used as herbicides? Find and describe at least one detailed example.
Why are pteridophytes better adapted to dry land than bryophytes? Were pteridophytes always less abundant than phanerogamic plants?
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