AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Unicellular organisms (prokaryotes) use mitosis for:
A
cellular repair
B
cellular growth
C
development
D
asexual reproduction
Explanation: 

Detailed explanation-1: -Mitosis is a process of cell division, observed in all eukaryotes-organisms with a true nucleus. Binary fission is a process of asexual reproduction carried out by all prokaryotes-organisms without a true nucleus as well as in some eukaryotes.

Detailed explanation-2: -In unicellular organisms such as bacteria, mitosis helps in asexual reproduction as it produces an identical copy of the parent cell. Another example of the Eukaryotic unicellular organism is “Amoeba.” An amoeba uses cell division for the production of new individuals.

Detailed explanation-3: -Prokaryotes reproduce through a cell division process called binary fission. Like mitosis in eukaryotes, this process involves copying the chromosome and separating one cell into two.

Detailed explanation-4: -All eukaryotic organisms-including aquatic plants and algae-grow through the process of mitosis.

Detailed explanation-5: -Unlike eukaryotes, prokaryotes (which include bacteria) undergo a type of cell division known as binary fission. In some respects, this process is similar to mitosis; it requires replication of the cell’s chromosomes, segregation of the copied DNA, and splitting of the parent cell’s cytoplasm.

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