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H-band is the zone of the thick filaments that has no actin. Within the H-zone is a thin M-line (from the German "mittel" meaning middle), appears in the middle of the sarcomere formed of cross-connecting elements of the cytoskeleton. Molecular model of the Sarcomere in the A-band. Organization of the central region of the A-band (C-zone).
The darker bands within skeletal muscle, known as anisotropic bands (A bands), encompass both thick and thin filaments and constitute the central region of the sarcomere, extending across the H-zone. Collectively, the A bands and the I bands create the distinctive striped appearance of skeletal muscle tissue. [ 3 ]
during contraction, actin filaments move into the A bands and the H zone is filled up reducing its stretch, the I bands shorten, the Z line comes in contact with the A bands; and the possible driving force of contraction is the actin-myosin linkages which depend on ATP hydrolysis by the myosin.
Zone-H is an archive of defaced websites. It was established in Estonia on March 2, 2002. A whois request on the domain shows that it was created on February 14, 2002.
The forbidden zone is the region on the HR diagram to the right of the Hayashi track where no star can be in hydrostatic equilibrium, even those that are partially or fully radiative. Newborn protostars start out in this zone, but are not in hydrostatic equilibrium and will rapidly move towards the Hayashi track.
A fourth shooting near the zone, on June 23, left a man in his thirties with wounds which were not life-threatening. Although the SPD was reportedly investigating, the victim refused to provide information about the attack or a description of the shooter. [204] The fifth shooting near the zone occurred in the early morning of June 29.
The road sign for a 30 km/h zone in Austria The road sign for a 20 mph zone in the UK. 30 km/h zones (30 kilometres per hour zones) and the similar 20 mph zones (20 miles per hour zones) are forms of speed management used across areas of urban roads in some jurisdictions. The nominal maximum speed limits in these zones are 30 kilometres per ...
The habitable zone is also called the Goldilocks zone, a metaphor, allusion and antonomasia of the children's fairy tale of "Goldilocks and the Three Bears", in which a little girl chooses from sets of three items, rejecting the ones that are too extreme (large or small, hot or cold, etc.), and settling on the one in the middle, which is "just ...