Mskeletal Physiology Word Scramble
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Question | Answer |
State the key cellular events in excitation-contraction coupling in skeletal muscle | 1. APs cause depolarisation of T tubules 2. Ca2+ release from sarcoplasmic reticulum 3. Ca2+ binds troponin C 4. Tropomyosin moves to expose actin-binding site 5. Actin and myosin interact to generate contractile force 6. Ca2+ reuptake by SR |
How does Ca2+ activate contraction in smooth muscle cells? | By binding to calmodulin |
Which muscle fibres are associated with peripherally located nuclei? | Skeletal muscle fibres |
Which muscle fibres are associated with centrally located nuclei? | Smooth and cardiac muscle fibres |
Which muscle fibres are associated with a distinct banding pattern? | Cardiac and skeletal muscle fibres |
Which muscle fibres are associated with the capacity to regenerate? | Smooth muscle fibres |
Which muscle fibres are associated with Z-lines? | Cardiac and skeletal muscle fibres |
Which muscle fibres are associated with gap junctions? | Smooth muscle fibres |
Which muscle fibres are associated with intercalated disks? | Cardiac muscle fibres |
Which muscle fibres are associated with synapses with perpheral nerves? | Skeletal muscle fibres |
Which muscle fibres are associated with inositol triphosphate (IP3)-mediated calcium release? | Smooth muscle fibres |
Which muscle fibres are associated with Ca2+ mediated calcium release? | Cardiac muscle fibres |
Which muscle fibres are associated with voltage-mediated T-tubule-mediated calcium release? | Skeletal muscle fibres |
Which muscle fibres are associated with troponin being the major calcium-binding protein? | Cardiac and skeletal muscle fibres |
What type of skeletal muscle fibre is associated with slow twitch? | Type 1 ("one slow, fat, red ox") |
What type of skeletal muscle fibre is associated with fast twitch? | Type 2 |
What type of skeletal muscle fibre is associated with abundant lipid stores? | Type 1 |
What type of skeletal muscle fibre is associated with red colour? | Type 1 |
What type of skeletal muscle fibre is associated with white colour? | Type 2 |
What type of skeletal muscle fibre is associated with primarily anaerobic metabolism and few mitochondria? | Type 2 |
What type of skeletal muscle fibre is associated with primarily aerobic metabolism and many mitochondria? | Type 1 |
What type of skeletal muscle fibre is associated with abundant glycogen stores? | Type 2 |
What type of skeletal muscle fibre is associated with generation of a sustained force? | Type 1 |
What type of skeletal muscle fibre is associated with generation of a sudden movement? | Type 2 |
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kuc
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