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♦Activation requires calcium binding to troponin complex, reversing inhibition of interaction between myosin and actin. In the cycle of chemical reactions underlying contraction, hydrolysis of ATP produces the cross-bridge motion. Relaxation occurs when calcium becomes dissociated from troponin.
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Extreme Heath and pressure can turn a sedimentary rock into a metamorphic rock
1/4 or 25% will have the homozygous recessive genotype. 25% will have the homozygous dominant phenotype. 50% will be heterozygous. We would use a punnet square to figure this out. I’ve attached a picture of one to help you
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