Multiple Choice
In the eukaryotic cell cycle, the period during which the cell undergoes division (including mitosis and cytokinesis) is called what?
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16. Cell Division
Mitosis
Multiple Choice
Which type of organism primarily replicates its somatic (body) cells by mitosis?
A
All organisms, because mitosis is the universal mechanism of cell replication
B
Eukaryotes (e.g., animals, plants, fungi) for growth and tissue repair
C
Viruses using host-cell division machinery to undergo mitosis directly
D
Prokaryotes (e.g., bacteria) using binary fission
Verified step by step guidance1
Step 1: Understand the process of mitosis, which is a type of cell division resulting in two genetically identical daughter cells, primarily used for growth, development, and tissue repair in multicellular organisms.
Step 2: Recognize that mitosis occurs in eukaryotic cells, which have a defined nucleus and complex cellular structures, allowing for the organized replication and division of chromosomes.
Step 3: Note that prokaryotes, such as bacteria, do not undergo mitosis; instead, they reproduce by binary fission, a simpler process of cell division without mitotic phases.
Step 4: Consider that viruses do not replicate by mitosis themselves; they rely on host cells' machinery to reproduce, but they do not perform mitosis directly.
Step 5: Conclude that the primary organisms replicating their somatic cells by mitosis are eukaryotes, including animals, plants, and fungi, for purposes like growth and tissue repair.
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