1. Use the symbols A-M-Z to fill in space
Z line area where actin filaments attach within a myofibril.
The overlap of actin and myosin filaments result in dark band called …………..
The consist of only myosin filaments.
Illustrate: the importance of arrangement for the components of sarcome

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as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.