Microfilaments forms when the contractile rings during cytokinesis are functioning .
Microfilaments are formed during cytokinesis, the last step of cell division, the contractile ring is composed of filamentous actin (F-actin) and the motor protein myosin-2, along with additional structural and regulatory proteins.
The contractile ring is responsible for cytokinesis in many eukaryotic cell types, and is thought to contribute to cell division by 'squeezing' the cell into two. The contractile ring forms under the surface of the plasma membrane and is linked to the plasma membrane such that, when it constricts, it creates a cleavage furrow that partitions the cell in two.
Hence ,B is correct option
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A reasearcher must only measure one variable at atime,and using a scientific control group gives reliable baseline data to compare their results with.
Answer:
The answer is A
Explanation:
I am most confident this is the answer. Hope this helps.
Prophase 1 of meiosis <span>relative to the number of chromosomes of a given species, accounts for a significant amount of genetic variation in gametes.</span>
