The electrochemical gradient that determines how a charged ion will move through a permeable membrane depends upon
A. the electrical forces acting on that ion.
B. the difference in concentration of that ion on either side of the membrane.
C. the ratio between the charge on the ion and its atomic mass.
D. the combined effects of electrical forces and concentration differences across the membrane.
E. All of the choices for this question are correct.
D. the combined effects of electrical forces and concentration differences across the membrane.
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One of the main problems associated with treating human diseases through gene therapy is
A) finding human cells that could potentially be genetically engineered. B) the inability to clone human cells. C) finding a delivery system that would target specific cell types. D) finding the correct form of the gene to be delivered. E) determining a disorder that could be cured through gene therapy.
Which types of plants undergo the most photorespiration?
A) C2 plants B) C3 plants C) C4 plants D) CAM plants
Which theory was helpful to Darwin in the formulation of his theory of evolution?
A. Catastrophism B. Inheritance of acquired characteristics C. Uniformitarianism D. Continental drift E. Special creationism
The (reoviruses/retroviruses/rhinoviruses) have been studied more than any other group of viruses because of their unique features and the diseases they cause
What will be an ideal response?