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II. Which of the following terma means to break down a larger molecule into smal

ID: 303121 • Letter: I

Question

II. Which of the following terma means to break down a larger molecule into smaller molecules? hydrolysis E) entropy 12. With respect to the study of energy, which of the following terms or phrases is least like the others? B) anabolic C) releases energy D) "uphill" reaction E) +AG 13. In the cell, energy that drives endergonic reactions is often obtained from A) enzymes D energy released from exergonic reactions C) entropy D) heat energy E) all of the above 14. Bonds that form between amino acid R groups/side chains are the primary factor in determininga protein's A) primary structure. B) secondary structure tertiary structure. D) quaternmary structure E) none of the above 15. Which of the following usually causes denaturation of a protein? yhigh temperatures B) change in pH C) change in salt concentration D)Band C E) all of the above 16. Which of the following statements is FALSE regarding enzymes? A) Enzymes increase the rate of a reaction.T 3) Enzymes lower the activation energy (EA) for a reaction. The substrate for an enzyme binds to the enzyme's active site. Enzymes make nonspontaneous reactions become spontaneous. Enzymes are very specific for the substrates they bind to.

Explanation / Answer

11. Answer is C: Anabolism

Anabolism is powered y catabolism in which the larger molecules are broken down into smaller molecules and then used in cellular respiration.

12. Answer is B: Anabolic

Anabolic means that processed the growth of cells (anabolism), other terms like nonspontaneous, release energy, uphill reaction or +?G all are directly related to the study of energy.

13. Answer is B: energy released from exergonic reactions

Exergonic and endergonic are linked together and energy produced by the exergonic reaction provides the energy to drive the endergonic reaction.

14. Bonds that form between amino acid R groups/side chains are the primary factors in determining a protein's

Answer is C: Tertiary structure

When the polypeptide chain takes a three-dimensional conformation due to further intermolecular bond formations and interactions, it is said to have acquired tertiary structure. The bonds between amino acid side chains (R groups) are the primary factor for the determination of tertiary structure of proteins where polypeptide chain forms a three dimensional conformation with intermolecular bond formations.

15 Answer is A: High temperature

Denaturation of proteins occurs at high temperature because heat can break the hydrogen bond and non polar hydrophobic interactions.

16. Answer is D: Enzymes make nonspontaneous reactions become spontaneous. FALSE

Because enzyme can couple spontaneous reaction like hydrolysis of ATP with a nonspontaneous reaction to make the non spontaneous reactions.