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What point in mitosis does a cleavage furrow form?

During cytokinesis in mitosis a cleavage furrow forms.


What is narrow furrow called?

A narrow furrow is typically referred to as a groove. It can also be called a trench or a rut, depending on the context in which it is used.


Why magnetics stripes on the stripes on the seafloor are parallel to the mid'ocean ridge?

The magnetic stripes on the seafloor are parallel to the mid-ocean ridge due to the process of seafloor spreading. As magma rises at the mid-ocean ridge and solidifies into new oceanic crust, it records the Earth's magnetic field at the time of its formation. When the magnetic field reverses, new crust is formed with the opposite magnetic orientation, creating symmetrical stripes on either side of the ridge. This pattern reflects the continuous generation of new crust and the periodic flipping of the Earth's magnetic field, leading to the characteristic parallel arrangement.


Why are magnetic strips on the sea floor are parallel to the mid ocean ridge?

The magnetic strips on the sea floor are parallel to the mid-ocean ridge because new oceanic crust is constantly being formed at the ridge due to volcanic activity. As the magma cools and solidifies, it records the Earth's magnetic field orientation at the time. This creates a symmetrical pattern of magnetic strips on either side of the ridge as the Earth's magnetic field reverses over time.


Indentation at the equator of a cell where it will divide?

The indentation at the equator of a cell is called the cleavage furrow. It forms during cytokinesis to separate the two daughter cells after the nucleus has divided. The cleavage furrow is generated by the contractile ring, which is composed of actin and myosin filaments that constrict the cell membrane.