Chapters 6-8: Muscle 1 Myofibrils 2 Titin 3 Actin filaments 4 Tropomyosin 5 Sarc
ID: 3483613 • Letter: C
Question
Chapters 6-8: Muscle 1 Myofibrils 2 Titin 3 Actin filaments 4 Tropomyosin 5 Sarcomere 6 Acetylcholine A Excitatory transmitter that excites muscle fiber membrane B Required to cause smooth muscle relaxation C Thousands grouped together to form the muscle fiber D Nerve fiber sympase at muscle fiber E Block active sites on actin filaments to block myosin attraction activates myosin cross-bridges in smooth muscle G F 7 Neuromuscular juction 8 Subneural clefts 9 Calmodulin 10 Calcium pump 11 Walk-along theory 12 Intercalated discs Muscle sections between Z discs that individually contract H Composed of actin, tropomyosin and troponin I Folds on the muscle membrane in a synaptic trough J Elastic springy proteins attached between Z disc and myosin K Muscle tension when myosin heads pull on actin filaments L Gap junctions at fusions of muscle cellsExplanation / Answer
A-6,B-10,C-1,D-7,E-4,F-,G-5
H-3
I--8
J-2
K-11
L--12
NO.2 A -3,B-8,C-5,D-9
E-1,F-6,G-7,I-10,J-4
K-11,L-12,H-2