BIO201L Lab 7 The Muscular System with Questions and Correct Answers (100% Rated) 2022/2023.

BIO201L Lab 7 The Muscular System with Questions and Correct Answers (100% Rated) 2022/2023. Lab 7 The Muscular System Student Name: Access Code (located on the lid of your lab kit): Pre-Lab Questions ”1. How do banding patterns change when a muscle contract? By the decrease of actin and myosin which causes them to come together. ”2. What is the difference between a muscle organ, a muscle fiber, myofibril and a myofilament? Muscle organs, contains skeletal muscles and tissues structures. Muscle fiber this are cell that are composed of myofibrils. Myofibril and myofilaments are found whining the muscle organ. ”3. Outline the molecular mechanism for skeletal muscle contraction. At what point is ATP used and why? It used when resting and during exercises such as long-distance running. ATP is used to produce more energy ”4. Explain why rigor mortis occurs. Because the ATP stops taking place and the buildup of calcium Ca2+ starts. Experiment 1: Tendons and Ligaments Post-Lab Questions ”1. Label the arrows in the slide images below based on your observations from the experiment. ” A-Chondrocytes B- Collagen C- Collagen fibers D- Skeletal muscles E- Nuclei F-Collagen.