A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? To this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? (In this problem, you may ignore changes in volume due to the addition of NaOH).

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#Question id: 2942

#2. Cellular Organization

During mitosis, the breakdown of the nuclear envelope depends on the:

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#Question id: 2943

#2. Cellular Organization

Which of the following is NOT a mechanism by which G1/S cyclin-CDKs ensure progression through the cell cycle?

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#Question id: 2944

#2. Cellular Organization

DNA replication at each origin occurs only once during the cell cycle because of:

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#Question id: 2945

#2. Cellular Organization

Separation of spindle poles during spindle formation and anaphase B most likely depends on which of the following?

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#Question id: 2946

#2. Cellular Organization

Which of the following occurs during anaphase A?

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#Question id: 2948

#2. Cellular Organization

A cell that is entering the M phase of the cell cycle is: