BioChemistry > EXAM > Biochemistry Exams Compilation | 100% correct answers | 48 pages (All)

Biochemistry Exams Compilation | 100% correct answers | 48 pages

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Biochemistry Exams Compilation | 100% correct answers | 48 pages The structure of DNA described by Watson and Crick included: a. a double helix b. the sugar–phosphate backbone aligned in the cen... ter of the helix c. the base pairs that are stacked on the inside of the double helix d. A double helix and base pairs that are stacked on the inside of the double helix 2. What gives proteins such a dominant role in biochemistry? a. the ability to act as a blueprint b. their ability to spontaneously fold into complex three-dimensional structures c. the variation in protein sizes d. their ability to self-replicate 3. Match the loss of a particular organelle with the associated disease. a. Hypercholesterolemia – smooth endoplasmic reticulum b. Diabetes – endosome c. Tay-Sachs disease - lysosome d. Muscle degeneration – mitochondria 4. In a biochemistry lab course, you are asked to design an experiment to identify a strain of bacteria. Your lab partner claims that she thinks the bacterium contains a rough endoplasmic reticulum. To verify her claim, which of the following experiments would you preform? (pretend you're indulging her ludicrous claim). a. determine whether the bacterium has an internal membrane-enclosed compartment b. determine whether the bacterium generates CO2 in the presence of fuel molecules c. determine whether the bacterium can synthesize proteins d. determine whether the bacterium can synthesize ATP in the presence of fuel molecules and O2 5. What is the H+ concentration in a urine sample that has a pH of 6? a. 10−6 M b. 10−8 M c. 106 M d. 10−14 M 6. Which of the following is considered a noncovalent bond? a. electrostatic interactions b. hydrogen bonds c. van der Waals interactions d. All of these answers [Show More]

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