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# General Biology 119:199 - Fall 2024 Exam 1 **Instructions:** * **Step 1**: Confirm your name, exam code, RU ID, and lab section on your Opscan form. * **Step 3**: Sign the Academic Integrity Acknowledgment. * **Step 4**: Close your booklet, place your Opscan form on top, and raise your hand. A proctor will collect your materials. * **Step 5**: Carefully follow the instructions to avoid impacting your exam grade. **Questions:** **54. How do neurotransmitters move across the synaptic cleft?** a. By diffusion. b. Carried by synaptic vesicles. c. Carried by the electrical impulse. d. Pushed by ions. **55. Sequence of chemical synapse operation:** When neurotransmitters reach the post-synaptic cell, they: a. bind to receptors on the post-synaptic cell membrane. b. enter the post-synaptic cell. c. insert new receptors into the post-synaptic cell membrane. d. deliver the electrical impulse to the post-synaptic cell. **56. Which neurotransmitters regulate pain?** I. acetylcholine II. dopamine III. endorphins a. I only b. I and II c. I and III d. III only **57. What facilitates neural plasticity in learning and memory?** I. Reading over one's notes II. Participating in a practice group III. Creating organizers IV. Being an active participant in lab and workshop a. I only b. II and III c. II, III, and IV d. I, II, III, and IV **58. What causes Glioblastoma?** Cancerous cells that become aggressively cancerous. **59. What triggers the release of chemicals across a chemical synapse?** a. another action potential b. neurotransmitters c. calcium ions d. synaptic vesicles **60. What best describes learning?** a. the use of information to lessen the likelihood of a negative outcome. b. the formation of new neurons in the brain. c. an increase in signaling across the neuronal synapse. d. storage of a large amount of related information into the long-term memory. **Exam Code: A**

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