Answers to all your Biology Questions
|
|
Dictionary » S » Sarcomere Sarcomeresarcomere repeating subunit from which the myofibrils of striated muscle are built. Has A and i bands, the I band being sub divided by the z disc and the A band being split by the m line and the H zone. One of the segments into which a myofibril is divided.The muscle fibre situated between Z-membranes that has contractile properties.
Please contribute to this project, if you have more information about this term feel free to edit this page
Results from our forumSliding Filament Model... a diagram depicts the sliding filament model as a process in which the myosin head cuases the thin filament (Actin) to move toward the centre of sarcomere (i.e. a one-way process). However, I am wondering how the actin would revert to its normal position after contracting. Thanks!
See entire post
Re: Q's-Can someone please check my answersWhich of the following statements about muscle fibres are TRUE? 1-When a sarcomere contracts, the width of the A-band remains unchanged. 2-When a muscle contracts, the width of the sarcomeres shrink, and the length of the myofibrils decreases. 3-The length of ...
See entire post
Q's-Can someone please check my answerscan someone pls see ifi have these right? Which of the following statements about muscle fibres are TRUE? 1-When a sarcomere contracts, the width of the A-band remains unchanged. 2-When a muscle contracts, the width of the sarcomeres shrink, and the length of the myofibrils decreases. ...
See entire post
This page was last modified 21:16, 3 October 2005. This page has been accessed 6,360 times. |
© Biology-Online.org. All Rights Reserved.
Register | Login
| About Us | Contact Us | Link to Us | Disclaimer & Privacy
Science Network - Braintrack.com - University Directory | Chemicool.com - Chemistry