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Yes the H band shortens. During contraction the length of the sarcomere or from z line to z line must decrease in length. Thus the I band which is bisected by the z line must shorten as well as the H band, even though the H band is bisected by the A band it must shorten to allow fior this decrease in length. The A band does not shorten because it is composed of the entire length of myosin whose length never decreases during contraction.
What else can I help you with?
How do banding patterns change when a muscle contracts?
When a muscle contracts, the actin and myosin myofilaments come together, the H zones and I zones shrink and become very narrow. The A band does not changing during contraction.
Describe which bands and zones of a sarcomere stay the same and which narrow or disappear during muscle contraction?
M line
How wide do fault zones get?
Fault zones can vary in width from a few centimeters to several kilometers, depending on the type of fault and the tectonic setting. In general, strike-slip faults tend to have narrower fault zones, while thrust faults can have wider zones due to the greater amount of crustal material involved in the deformation.
Why did amritsar and kolkata become communal zones?
amritsar and kolkata become communal zones because they experienced some of the worst communal riots.
What are crumples zones and what are they good for?
Crumple zones are areas of a vehicle designed to absorb energy during a collision and reduce personal injury.
Why have some cities set up free speech zones for political protestes?
They set up fee-speech zones in order to maintain order during protests.
Why have cities set free speech zones for political protest?
They set up fee-speech zones in order to maintain order during protests.
When and where are floods most likely occur?
during flood season in flood zones
Why have some cities set up free-speech zones for political protests?
They set up fee-speech zones in order to maintain order during protests.
During an attack who your contols movement between sector or zones?
your unit Control Center
During of after an attack who controls your movement between sectors and zones?
your unit control center
During or after an attack who controls your movement between sectors and zones?
Your Unit Control Center
