BioChemistry > EXAM > Biochemistry Final Exam Sample Question (All)

Biochemistry Final Exam Sample Question

Document Content and Description Below

This sample exam contains more questions than the final and includes short-answer questions that are not on the final. It is meant to help you understand the kinds of questions you might expect and to... give you practice in specific areas. 1. Which of the following is true about the properties of aqueous solutions? A) Hydrogen bonds form readily in aqueous solutions. B) Charged molecules are generally insoluble in water. C) An increase in pH from 5.0 to 6.0 reflects an increase in the hydroxide ion -concentration ([OH]) of 20%. D) A decrease in pH from 8.0 to 6.0 reflects a decrease in the proton concentration ([H+]) by a factor of 100. 2. A hydronium ion: A) is a hydrated proton. B) is a hydrated hydrogen ion +C) has the structure HO. 3D) is the usual form of one of the dissociation products of water in solution. E) All of the above are true. 3. One hundred mL of 0.1 NaOH is added to 55 mL of 0.2 lactic acid. (The pKof MMalactic acid is 4.1.) The resulting mixture has a pH close to: A) 2. B) 3. C) 4. D) 5. E) 6. 4. Name and briefly define four types of noncovalent interactions that occur between biological molecules. 5. For each of the pairs below, circle the conjugate base.RCOOH RCOO-RNHRNH+2 3- HPOHPO2434-HCO [Show More]

Last updated: 2 years ago

Preview 1 out of 16 pages

Buy Now

Instant download

We Accept: