BCMB230 exam 1 spring14
Human Physiology
Spring 2014 Exam I
1. If red blood cells are placed in a hyperosmotic solution they will: a. shrink b. swell c. can’t tell what the cell will do d. remain the same
2. If red blood cells are placed in a solution that is hypotonic the cells will: a. shrink b. swell c. remain the same d. change depends on type of solutes
3. Using the information presented in lecture which of the following is most likely to be the source for the keto acid necessary for the production of the amino acid glutamate (3 carbon R group). a. glycolysis b. Krebs cycle c. lactate d. production of acetyl CoA
4. Which of the following would decrease the rate of diffusion of sodium ions? a. increased degradation of Na channels b. increased transcription of the Na channel gene c. increase the activity of Na/K ATPase d. none of the above
5. Which of the following is a type of posttranslational modification? a. glycolysis b. glycogenolysis c. glycosylation d. gluconeogenesis
6. H bonds important in the secondary structure of proteins are produced because of polar covalent bonds involving: a. phosphate b. nitrogen c. oxygen d. both b and c
7. Denaturing a protein: a. can be caused by inappropriate pH or temperature b. is always irreversible c. may be used to regulate the number of specific proteins d. all of the above
8. Which of the following is consistent with an increase in affinity at a binding site? a. ligand is more likely to bind to the site b. ligand stays bound to site for a longer time c. increased in ionic or hydrogen bonding between ligand and site d. all of the above
9. Mediated transport:: a. has a maximum rate of transport that is dependent on concentration of the transported solute b. may move solutes down the concentration gradient c. may move solutes against the concentration gradient d. all of the above
10. If a transport protein reaches its transport maximum which of the following
Spring 2014 Exam I
1. If red blood cells are placed in a hyperosmotic solution they will: a. shrink b. swell c. can’t tell what the cell will do d. remain the same
2. If red blood cells are placed in a solution that is hypotonic the cells will: a. shrink b. swell c. remain the same d. change depends on type of solutes
3. Using the information presented in lecture which of the following is most likely to be the source for the keto acid necessary for the production of the amino acid glutamate (3 carbon R group). a. glycolysis b. Krebs cycle c. lactate d. production of acetyl CoA
4. Which of the following would decrease the rate of diffusion of sodium ions? a. increased degradation of Na channels b. increased transcription of the Na channel gene c. increase the activity of Na/K ATPase d. none of the above
5. Which of the following is a type of posttranslational modification? a. glycolysis b. glycogenolysis c. glycosylation d. gluconeogenesis
6. H bonds important in the secondary structure of proteins are produced because of polar covalent bonds involving: a. phosphate b. nitrogen c. oxygen d. both b and c
7. Denaturing a protein: a. can be caused by inappropriate pH or temperature b. is always irreversible c. may be used to regulate the number of specific proteins d. all of the above
8. Which of the following is consistent with an increase in affinity at a binding site? a. ligand is more likely to bind to the site b. ligand stays bound to site for a longer time c. increased in ionic or hydrogen bonding between ligand and site d. all of the above
9. Mediated transport:: a. has a maximum rate of transport that is dependent on concentration of the transported solute b. may move solutes down the concentration gradient c. may move solutes against the concentration gradient d. all of the above
10. If a transport protein reaches its transport maximum which of the following