Coordination 5.0 / 5 based on 1 ratingTeacher recommended ? BiologyCoordinationA2/A-levelAQA Created by: r98Created on: 22-03-16 16:34 73491065821 Across 1. Apart from a chemical gradient, what other type of gradient is there? (2, 10, 8) 6. What happens to sodium ion channels in the absence of acetylcholine in the receptor sites? (4, 5) 7. What chemicals do synapses use to transmit impulses frok one neurone to another? (17) Down 2. What does mV stand for? (10) 3. What are neurones without a myelin sheath called? (12, 8) 4. What does the distribution of Na+ and K+ ions create? (1, 8, 8) 5. What is the swollen portion of the end of the presynaptic neurone called? (3, 8, 4) 8. Which type of neurone has a long axon and many short dendrites? (5, 7) 9. What are the 'breaks' in the myelin insulation called? (5, 2, 7) 10. What is the transmission of the action potential along the axon of a neurone known as? (3, 5, 7)
Comments
Report
Report