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What is the general structure of a muscle?
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Define these terms: fascicle, muscle fibre, myofibrils, sarcolemma, sarcoplasm, traverse tubules, sarcoplasmic reticulum
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What are the 3 types of connective tissue sheaths and what do they surround?
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What are the 2 types of protein fibres contained in myofibrils?
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What is a sarcomere? Draw a really pretty diagram with lots of happy colours. Be creative! Muscles don’t always have to be a boring blood red colour. Try purple of yellow or ALL the colours of the rainbow! Don’t forget to label the diagram! ... Or you’re FUCKED.
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Define these terms and discuss their characteristics: A band, I band, H zone, happy-no-study zone.
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What are the 2 types of contractile proteins?
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What is actin made up of?
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What is the structure of myosin?
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What are the 2 binding sites found in myosin?
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What happens when a sarcoglycan complex is damaged?
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What characterises muscle dystrophies?
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What is the function of dystrophin?
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What happens in the absence of dystrophin?
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What are the most important muscle proteins involved in dystrophies?
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Define these terms: desmin, plectin, and ab-crystrallin- mutations of these cause?
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State the 4 main steps in the sliding filament theory?
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What happens when muscle fibres are relaxed?
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What happens when muscle fibres are contracting?
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What happens when muscle fibres are fully tabouli contracted?
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How are myosin binding sites uncovered in thin filaments?
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State the steps that a myosin molecule takes.
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What happens when an action potential is triggered in a muscle fibre?
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What happens in electrochemical coupling?
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What is a twitchity twitch?
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What is a tetanusy tetanus?
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What are the stages of a twitch?
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Why is a twitch 4 times smaller than a tetanus?
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What happens during a summation of twitches?
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How does low stimulation affect the force generated by muscle fibres?
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How does high stimulation affect the force generated by muscle fibres?
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How are twitch summations related to a tetanus?
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How does fibre diameter affect the force generated by muscle fibres?
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How does changes in fibre length relate to the force generated by muscle fibres
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How does the body resist the fatigue of muscles?
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What are the predominant type of fibres in elite athletes/marathon runners?
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Draw the structure of a smooth muscle cell and label the diagram.
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What is the purpose of caveolae?
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What is the function of lipid rafts?
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State the steps in a smooth muscle contraction.
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What are the similarities and differences between cardiac and skeletal muscle?
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How do T tubules of cardiac muscle compare to skeletal muscle?
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The SR of cardiac muscle is more extensive than that of skeletal muscle. T/F
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Mitochondria is more abundant in cardiac muscle than skeletal muscle. T/F
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What are intercalated discs in cardiac muscle?
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What do the traverse components of the cardiac muscle consist of?
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What are Purkinje fibres?
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What is myocardial infarcation?
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What happens to cardiocytes when there is a loss of blood supply for greater than 20 mins?
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What happens when blood is restored in cardiocytes within 20mins?
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