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: 11476

#Unit 7. System Physiology – Animal

What structures would neurobiologists look for if they are interested in determining if an animal can see in color?

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#Question id: 16322

#Unit 7. System Physiology – Animal

Immediately after putting on a shirt, your skin might feel itchy. However, this perception soon fades due to ________.

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#Question id: 5698

#Unit 8. Inheritance Biology

A mechanism that can cause a gene to move from one linkage group to another is

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#Question id: 1399

#Unit 4. Cell Communication and Cell Signaling

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

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#Question id: 10981

#Unit 7. System Physiology – Animal

Which of the following structures will have the slowest rate of conduction of the cardiac action potential?