ONION ROOT TIP CELLS DIVIDING

ONION ROOT TIP CELLS DIVIDING

THE PHASES OF THE CELL CYCLE

Ed Bassett, Olympia High School

THE PHASES OF THE CELL CYCLE

Ed Bassett, Olympia High School

Cells on the left show nucleoi (present only

during interphase)Cells on the left show nucleoi (present only

during interphase)

Prophase - left center; metaphase - centerProphase - left center; metaphase - center

Prophase (left); Metaphase w/spindle (upper right)Prophase (left); Metaphase w/spindle (upper right)

Prometaphase/late prophase (left center). Note absence of nuclear envelope

Prometaphase/late prophase (left center). Note absence of nuclear envelope

Metaphase w/ spindle apparent (left center)Metaphase w/ spindle apparent (left center)

Early anaphase (left center) with telophase/cytokinesis just belowEarly anaphase (left center) with telophase/cytokinesis just below

Anaphase (left center)Anaphase (left center)

Telophase (left center)Telophase (left center)

Late telophase/cytokinesis; Note cell plateLate telophase/cytokinesis; Note cell plate

Onion Root tip cells dividing

Onion Root tip cells dividing

Cell division in Eukaryotes (plants, animals, etcetera) varies slightly.

Plant cell cytokinesis involves the formation of a CELL PLATE.

In animal cells, cytokinesis involves the formation of a CLEAVEAGE FURROW.

Cell division in Eukaryotes (plants, animals, etcetera) varies slightly.

Plant cell cytokinesis involves the formation of a CELL PLATE.

In animal cells, cytokinesis involves the formation of a CLEAVEAGE FURROW.