ps Muscle Damage A Answers appear in Appendix A These questions test your recall of important details covered in this chapter. They also help prepare you for the type of questions encountered in standardized exams. Many additional questions of this type are available on Connect and LearnSmart. metabolize (break down) sub y toxic. including compounds ations are metabolized by ths ysway of rejecting ingestec Recall from Figures 3.37 and mes is that their activity ca marins inhibit CYP3A4 by CHAPTER 3 TEST QUESTIONS Recall and Comprehend b. increasing the concentration of carbonic acid will accelerate the rate of the reverse (right-to-left) reaction. increasing the concentration of carbon dioxide will speed up the reverse ZWhich cell structure contains the enzy mes required for oxidative phosphory lation? & inner membrane of mitochondria h smooth endoplasmic reticulum c rough endoplasmic reticulum d outer membrane of mitochondria e matrix of mitochondria d. decreasing the concentration of carbonic acid will slow down the forward reaction. с. reaction. 5. Which of the following can be used to synthesize glucose by d. glycogen e. no enzyme is required for either the forward or reverse reaction. one our patient was ta mall intestine This mu ne drug that is given to nto the bloodstream to cholesterol concentrs it juice. however, the efore, when he took entering the blood ach day as he con entually. his blood and he started to s. Once this was her citrus drinks grapefruit juice his blood con- were initiated gluconeogenesis in the liver? fatty acid b. triglyceride glycerol 2 Which sequence regarding protein synthesis is correct? & translation transcription -mRNA synthesis splicing of primary RNA transcript translation e. ATP a. translocation of h transcription MRNA с. splicing of introns d. transcription e. tRNA emters nucleus MRNA synthesis translation transcription Triglycerides have the least energy content per gram of the three major energy sources in the body b. Fat catabolism generates new By mass, the total-body content of carbohydrates exceeds that of total triglycerides. d. Catabolism of fatty acids occurs in two-carbon steps. Triglycerides 6. Which of the following is true? MRNA production transcription begins protein synthesis begins translation MRNA moves to a. triglycerides for storage in adipose tissue. cytoplasm 3 Which is incorrect regarding ligand-protein binding reactions? a Allosteric modulation of the protein's binding site occurs binding site itself. b Allosteric modulation can alter the affinity of the protein for the ligand. c Phosphorylation of the protein is an d. If two ligands binding will occur. e Binding reactions are either electrical or hydrophobic in nature. с. directly at the are the major lipids found in plasma membranes. example of covalent modulation. can bind to the binding site of the protein, competition for e. 7. The strength of ligand-protein binding is a property of the binding site called 8. The slowest step in a multienzyme pathway is called the 9. The membrane structures that form channels linking together the cytosols of two cells and permitting movement of substances from cell to 4 According to the law of mass action, in the following reaction, CO2+H2O H,CO3 cell are called a increasing the concentration of carbon dioxide will slow down the forward (left-to-right) reaction. 10. The fluid inside cells but not within organelles is called es are regu is normally Answers appear in Appendix A. nce of read- CHAPTER 3 TEST QUESTIONS Apply, Analyze, and Evaluate l drug and