Exam 1 V1 key - Biol 302 Exam 1 Version 1 Answer key...

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Biol 302 Exam 1 Version 1 Answer key Name _____________________ February 10, 2011 1. True or False. Hydrogen bonds and peptide bonds are strong bonds that are important in maintaining the conformation of proteins. a. true b. false 2. A covalent bond is likely to be polar if: a. The two atoms sharing electrons are equally electronegative b. One of the two atoms sharing electrons is much more electronegative than the other c. The two atoms are of the same element d. none of the above 3. Which of the following are examples of noncovalent bonds: a. peptide and hydrogen b. peptide and phosphodiester c. hydrogen and phosphodiester d. hydrogen and ionic 4. True or False. ATP hydrolysis can drive an energetically unfavorable chemical reaction by transferring a phosphate group to a reactant and thereby creating a high-energy intermediate. _______________ a. true b. false 5. Which of the following are activated carrier molecules? a. amino acids b. NADH and ATP c. DNA polymerase and DNA ligase d. none of the above 6. True or False. Catabolic reactions use energy and building blocks to make new molecules (ex. synthesis of DNA). a. true b. false 7. Which of the following is true regarding spontaneous reactions? a. they have a positive delta G and release energy b. they have a positive delta G and absorb energy c. they have a negative delta G and release energy d. they have a negative delta G and absorb energy e. none of the above 1
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Listed below are a number of different organelle types found in cells. Choose the correct answer for the questions 8-12 from the list below. a. nucleus b. mitochondria c. golgi apparatus d. peroxisome e. endoplasmic reticulum 8. ATP synthase resides here. B 9. This organelle has both cis and trans sides: the cis side faces the nucleus. C 10. DNA replication occurs in this compartment. A 11. This organelle is the site of membrane synthesis. E 12. This organelle is important for oxidation of organic compounds. D 13. A loss of protein conformation (3D folded shape) is referred to as: a. quaternary structure b. denaturation c. renaturation d. none of the above 14. Given the following template strand of DNA, what is the sequence of the RNA molecule that would be made from it? 5’ GGTCCATTGGAG 3’
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Exam 1 V1 key - Biol 302 Exam 1 Version 1 Answer key...

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