Question

question 6 (1 point)
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what forms the contractile ring in animal cells?
a) membrane vesicles
b) actin filaments
c) cellulose fibrils
d) cell wall
e) histones

Explanation:

• Membrane vesicles are involved in transport, not in forming the contractile ring.
• Actin filaments are the main component of the contractile ring in animal cells during cytokinesis.
• Cellulose fibrils are part of the plant cell wall, not relevant to animal cell contractile rings.
• The cell wall is absent in animal cells.
• Histones are related to DNA packaging, not to the contractile ring.

Answer:

B. actin filaments