Muscle contraction flow chart by Michael Harrington https://padlet.com/michar185/55i9skf3626e en-us 2019-03-08 13:18:53 UTC 2024-10-15 23:25:43 UTC hello@padlet.com muscle Contraction flow chart michar185 https://padlet.com/michar185/55i9skf3626e/wish/339276144 2019-03-08 13:19:50 UTC https://padlet.com/michar185/55i9skf3626e/wish/339276144 Event 1 michar185 https://padlet.com/michar185/55i9skf3626e/wish/339892154 Summarize steps of event 1 using the following words: Acetycholine, Calcium ions, action potential, axon terminal, sarcolemma, voltage-gated Na+ ion channels, voltage-gated K+ ion channels, depolarization, repolarization, Na+ ions and K+ ions.]]> 2019-03-11 11:50:01 UTC https://padlet.com/michar185/55i9skf3626e/wish/339892154 Event 2: EC Coupling michar185 https://padlet.com/michar185/55i9skf3626e/wish/339892276 Step 1:  The action potential moves down the sarcolemma (cell membrane) and then down the T tubules (protrusion of the sarcolemma that protrude deep into the muscle cell). 

 

]]> 2019-03-11 11:50:23 UTC https://padlet.com/michar185/55i9skf3626e/wish/339892276 Event 2: EC Coupling michar185 https://padlet.com/michar185/55i9skf3626e/wish/339892391 Step 2: Transmission of the action potential along the T tubules cause the adjacent sarcoplasmic reticulum (SR) to release Ca2+ which flows into the cytosol. ]]> 2019-03-11 11:50:40 UTC https://padlet.com/michar185/55i9skf3626e/wish/339892391 Event 2: EC Coupling michar185 https://padlet.com/michar185/55i9skf3626e/wish/339892573 Step 3 and 4: Myosin binds to actin which forms cross bridges and the contraction begins.

]]> 2019-03-11 11:51:06 UTC https://padlet.com/michar185/55i9skf3626e/wish/339892573 Event 3: Cross bridge coupling michar185 https://padlet.com/michar185/55i9skf3626e/wish/339892731 step 1: energized myosin head attaches to an actin myofilament then forming cross bridges.

]]> 2019-03-11 11:51:28 UTC https://padlet.com/michar185/55i9skf3626e/wish/339892731 Event 3: Cross bridge coupling michar185 https://padlet.com/michar185/55i9skf3626e/wish/339893681 Step 4: cocking of the myosin head as ATP hydrolyzed to ADP and Pi the myosin head returns to its prestroke high energy or cocked position. ]]> 2019-03-11 11:53:53 UTC https://padlet.com/michar185/55i9skf3626e/wish/339893681 event 3: Cross bridge coupling michar185 https://padlet.com/michar185/55i9skf3626e/wish/339893952 Step 3: After the ATP attaches to myosin, the link between myosin and actin weakens and the myosin detaches. ]]> 2019-03-11 11:54:36 UTC https://padlet.com/michar185/55i9skf3626e/wish/339893952 Event 3: Cross bridge coupling michar185 https://padlet.com/michar185/55i9skf3626e/wish/339894172 step 2: ADP and Pi are released, the myosin head pivots and binds then changing into its low energy state. As a result it pulls the actin filament towards the M line.]]> 2019-03-11 11:55:12 UTC https://padlet.com/michar185/55i9skf3626e/wish/339894172