The drug cytochalasin b blocks the function of actin. which of the following aspects of the cell cycle would be most disrupted by cytochalasin b? a) spindle formation b) spindle attachment to kinetochores c) dna synthesis d) cell elongation during anaphase e) cleavage furrow formation and cytokinesis

The correct answer is: E) cleavage furrow formation and cytokinesis

Cytochalasin B (cytos-cell and chalasis-relaxation) is a molecule which inhibit network formation by actin filaments by blocking monomer addition. As a result, itshortens actin filaments. This molecule is involved in cytoplasmic division where it blocks the formation of contractile microfilaments. One of the microfilament’s function includes cytokinesis and formation of cleavage furrow so these functions are affected by cytochalasin B.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.