Multiple Choice
A fertilized egg cell is considered a:
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11. Cell Division
Introduction to Cell Division
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During the process of cell division, both plant and animal cells:
A
undergo binary fission as the primary method of division
B
use centrioles to organize their spindle fibers
C
duplicate their DNA before the cell divides
D
form a cell plate during cytokinesis
Verified step by step guidance1
Understand the context of the problem: The question is about the process of cell division in plant and animal cells. Specifically, it asks which of the listed processes is common to both types of cells.
Recall the key stages of cell division: Both plant and animal cells undergo the cell cycle, which includes interphase (where DNA replication occurs), mitosis (nuclear division), and cytokinesis (cytoplasmic division).
Analyze the options provided: Binary fission is a method of division used by prokaryotic cells, not eukaryotic cells like plants and animals. Centrioles are used by animal cells to organize spindle fibers, but plant cells do not have centrioles. A cell plate forms during cytokinesis in plant cells, but not in animal cells.
Focus on the correct process: Both plant and animal cells duplicate their DNA during the S phase of interphase, which is a necessary step before the cell divides. This ensures that each daughter cell receives an identical copy of the genetic material.
Conclude that the correct answer is the process of DNA duplication before cell division, as it is the only option that applies to both plant and animal cells.
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