Theory of recapitulation - Ernst Haeckel

He proposed that the embryonic development of an individual organism (its ontogeny) followed the same path as the evolutionary history of its species (its phylogeny).

TLS Online TPP Program

#Id: 8370

#XL - Q Biochemistry

In the absence of ATP, the myosin head is firmly attached to the actin filament. 

TLS Online TPP Program

#Id: 8369

#XL - Q Biochemistry

The length of the myosin II neck domain determines the rate of movement.

TLS Online TPP Program

#Id: 8368

#XL - Q Biochemistry

Myosin V

Two heads but does not assemble into filaments

Large and processive

Function- Organelle transport

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#Id: 8367

#XL - Q Biochemistry

Myosin II

Two heads and assembles into bipolar filaments

Small and non-processive

Function- Contraction

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#Id: 8366

#XL - Q Biochemistry

Myosin I

single head domain

Function- Membrane association, endocytosis

TLS Online TPP Program

#Id: 8365

#XL - Q Biochemistry

Three classes of myosins:

Myosin I

Myosin II

Myosin V