17 Questions
Which property increases faster as cell size increases?
Volume
In a large cell, how does the surface area to volume ratio compare to that of a small cell?
It decreases
What is the relationship between surface area and volume in a small cell?
Surface area exceeds volume
How does the efficiency of material transfer compare between a small and a large cell?
Efficiency is higher in small cells
What is the impact of increasing cell size on the balance between surface area and volume?
Volume increases faster than surface area
Why are cells limited in size?
To ensure a more efficient exchange of substances
What does the Cell Theory state?
All living things are composed of cells
Which component is at the center of every cell?
DNA
How is a cell's surface area calculated?
$4 imes ext{pi} imes ext{radius}^2$
What happens to a cell's surface area as its size increases?
It increases slower than its volume
Why is it important for a cell to have a high surface area to volume ratio?
To ensure efficient exchange of substances with the environment
What is the significance of the mid-seventeenth century in relation to the discovery of cells?
It is when microscopes were invented, allowing cells to be observed.
Who was the first to observe and describe unicellular organisms?
Antoni van Leeuwenhoek
What did Robert Hooke observe when examining a piece of cork under a microscope?
A matrix of tiny rooms, which he called cells.
How did advances in microscopy contribute to the Cell Theory?
By enabling scientists to observe and describe unicellular organisms.
What does the Cell Theory state regarding cell origins?
All cells arise from pre-existing cells.
What defines an organism as multicellular?
Consists of many cells.
Learn about the basic concept of cells as the building blocks of living organisms. Explore the Cell Theory and understand the levels of organization in living things.
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