Multiple Choice
Which of the following structures is found in prokaryotic cells but not in animal cells?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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Why are cells typically small in size?
A
To allow for more rapid cell division
B
To maximize the surface area to volume ratio for efficient nutrient exchange
C
To reduce the energy required for cellular processes
D
To minimize the amount of genetic material required
Verified step by step guidance1
Understand that cells need to efficiently exchange materials like nutrients and waste with their environment. This exchange occurs across the cell's surface.
Recognize that as a cell grows, its volume increases faster than its surface area. This is because volume is a cubic function, while surface area is a square function.
Consider the surface area to volume ratio, which is crucial for efficient nutrient exchange. A higher ratio means more surface area is available for exchange relative to the cell's volume.
Realize that smaller cells have a higher surface area to volume ratio compared to larger cells, facilitating more efficient exchange of materials.
Conclude that cells are typically small to maximize the surface area to volume ratio, ensuring efficient nutrient exchange and waste removal, which is vital for cell survival and function.
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