![A-bands of the muscle are dark and contain myosin.B. I- bands are the light bands and contain actin.C. During muscle contraction the A - band contracts.D. The part between the two Z - A-bands of the muscle are dark and contain myosin.B. I- bands are the light bands and contain actin.C. During muscle contraction the A - band contracts.D. The part between the two Z -](https://www.vedantu.com/question-sets/9165eee7-85ee-4b83-af24-e328b7ac076f1729290468536325693.png)
A-bands of the muscle are dark and contain myosin.B. I- bands are the light bands and contain actin.C. During muscle contraction the A - band contracts.D. The part between the two Z -
![The word anisotropic band of a skeletal muscle fibre refers to:(a) Light band(b) Z line(c) Dark band(d) Both A and B The word anisotropic band of a skeletal muscle fibre refers to:(a) Light band(b) Z line(c) Dark band(d) Both A and B](https://www.vedantu.com/question-sets/cb39d074-0dae-4500-8d9e-6b6ddbbbcb181226749612976466746.png)
The word anisotropic band of a skeletal muscle fibre refers to:(a) Light band(b) Z line(c) Dark band(d) Both A and B
![Deleting titin's I-band/A-band junction reveals critical roles for titin in biomechanical sensing and cardiac function | PNAS Deleting titin's I-band/A-band junction reveals critical roles for titin in biomechanical sensing and cardiac function | PNAS](https://www.pnas.org/cms/10.1073/pnas.1411493111/asset/fa1e89f9-29a4-4e6e-b8be-6948a51c705a/assets/graphic/pnas.1411493111fig02.jpeg)