Cell membrane or in planet cells: cell wall AND membrane
C. The separation of sister chromosomes
Weak acids do not and cannot dissolve in water. They become even more diluted, or watered-down, and become even weaker acids.
Answer:
The value of control is a quantitative measure of the value of controlling the outcome of an uncertain variable. Decision analysis provides a means for calculating the value of both perfect and imperfect control. The former value, informally known as the value of wizardry, is an upper bound for the latter. Obtaining meaningful value-of-control measurements requires an awareness of important restrictions (concerning the nature of free will and the meaning of counterfactual statements) on the validity of this kind of analysis.