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Cell-Modifications.pdf Flashcards
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Cell-Modifications.pdf Flashcards
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What are specialized cellular modifications?
are alterations in cells that distinguish them from one another.
Where are cellular modifications commonly found?
commonly found in eukaryotic cells where there is a need for cell specialization.
What are microvilli?
folds of the cell membrane that extend outward from the surface of certain cells specialized for absorption, such as the digestive tract or kidneys.
What is the origin of the term 'microvilli'?
The term 'microvilli' comes from the Greek word 'mikros' meaning small and the Latin term 'villus' meaning hair.
What is the function of microvilli?
increase the surface area of the cell membrane, allowing for more materials to be absorbed into the cell at a quicker rate.
What are cilia?
tiny hairs on the surface of certain cells that move in a rhythmic sweeping motion.
What is the function of cilia in the body?
Cilia serve to move particles or cells in the body, such as driving air impurities or foreign particles and mucus up the trachea to the mouth.
What is the role of cilia in the respiratory tract?
Cilia lining the respiratory tract beat and drive air impurities or foreign particles and mucus up the trachea to the mouth.
What are flagella?
Flagella are whip-like structures that allow a cell to move.
What type of cells have flagella?
Sperm cells have flagella, which are abundant in mitochondria.
What are root hairs?
Root hairs are found at the root tips and increase the surface area of a root to absorb most of their water and nutrients.
What is the shape of red blood cells?
Red blood cells have a biconcave disc shape.
What happens to the nucleus of red blood cells?
Red blood cells lose their nucleus.
Why is the shape of red blood cells important?
The biconcave shape of red blood cells increases the surface area for gas exchange.
Scholarly Assistant's Insights
Explore key cellular modifications like microvilli, cilia, and flagella with these flashcards.
Cell Modifications
Cell Biology
Microvilli
Cilia
Flagella
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