In this case the objects must be touching
I can't answer 1 but 2=First, make sure you weather proof the house, than go from there and try anything you think is necessary in this situation.
jagged line of protein discs which attach thin filaments from
end to end, trace the boundary where
sarcomeres connect, thick type of
smallest muscle unit: composed of staggered arrays of many myosin molecules
which interact with actin when calcium is present.
