B MF assembly and disassembly Characteristics: (I)Within a me, all the actin monomers are oriented in the same direction, so MF has a polarity Mru end Aunm (pointed)end (a) Brief treatment with trypan Hinge Myosin is region molecular motor for +o。 Myosin Light meromyosin actins (b)Further treatment with tryosin uttragment 2 Pus end 025m Plum (barbed) end (c) EM and diagram of SI fragments "decorating" actin s1) crofllamentsB. MF assembly and disassembly ❖Characteristics: (1) Within a MF, all the actin monomers are oriented in the same direction, so MF has a polarity Myosin is molecular motor for actins