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Multiple Choice
During anaphase of mitosis, what structures are separated?
A
Cytoplasmic organelles
B
Sister chromatids
C
Nuclear envelopes
D
Homologous chromosomes
Verified step by step guidance
1
Understand the context of the question: Anaphase is a stage in mitosis, which is a part of the cell cycle where replicated chromosomes are separated into two new nuclei.
Recall the key events of anaphase: During anaphase, the sister chromatids, which are identical copies of a chromosome connected by a centromere, are pulled apart by the spindle fibers towards opposite poles of the cell.
Differentiate between the terms: Sister chromatids are the duplicated forms of a single chromosome, while homologous chromosomes are pairs of chromosomes (one from each parent) that are similar but not identical.
Identify the structures involved: In anaphase of mitosis, it is specifically the sister chromatids that are separated, not the homologous chromosomes, which are separated during meiosis.
Conclude with the correct answer: Therefore, during anaphase of mitosis, the structures that are separated are the sister chromatids.