Question

cytochalasin b is a chemical that disrupts microfilament formation. how would this interfere with cell division? see concept 12.2 (page)
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formation of the cell plate
formation of the mitotic spindle
cleavage
binary fission
dna replication
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the mitotic spindle is constructed from microtubules, not microfilaments.

Explanation:

Microfilaments are crucial for cleavage furrow formation during cytokinesis. Cytokinesis is the final stage of cell division. Cell plate formation (in plant cells) involves cell wall - related components. The mitotic spindle is made of microtubules. Binary fission is a prokaryotic cell division process. DNA replication is an independent process involving enzymes like DNA polymerase. Since cytochalasin B disrupts microfilaments, it would interfere with cleavage (as cleavage furrow is formed by microfilament - based contractile ring).

Answer:

cleavage