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True or false fine hairlike extensions on the exposed or free surfaces of some cells are called microvilli?
True. Microvilli are fine hairlike extensions on the surface of some cells that increase the cell's surface area for absorption and secretion.
What are organs of motility in protists you have learned about?
Some protists use cilia, flagella, or pseudopods for motility. Cilia are short, hair-like structures that beat in a coordinated manner to move the cell. Flagella are longer whip-like structures that propel the cell forward. Pseudopods are temporary bulges of the cell membrane that extend and contract to push the cell in a particular direction.
What plasma membrane extensions create the most surface area for the cell?
Microvilli are plasma membrane extensions that create the most surface area for the cell. These finger-like projections are found in cells involved in absorption, such as the cells lining the small intestine, and increase the cell's ability to transport nutrients.
Does flagella or cilia have a membrane?
Flagella and cilia do not have a membrane of their own. They are extensions of the cell membrane and are composed of microtubules. These structures help with cell movement and sensory functions in various organisms.
What cell are finger-like extensions of the cell surface membrane v?
Finger-like extensions of the cell surface membrane are found in epithelial cells, particularly in the form of microvilli. These structures increase the surface area of the cell, enhancing its ability to absorb nutrients and other substances. Microvilli are commonly found in cells lining the intestines and the kidneys, where they play a crucial role in absorption and secretion.
How does paramecium?
by use of cilia- hairlike projections fromt he cell membrane
True or false fine hairlike extensions on the exposed or free surfaces of some cells are called microvilli?
True. Microvilli are fine hairlike extensions on the surface of some cells that increase the cell's surface area for absorption and secretion.
What type of movement does a amoeba use?
An amoeba moves through a process called amoeboid movement, using temporary extensions of its cell membrane called pseudopodia. These pseudopodia extend and contract to propel the amoeba in the direction it wants to move.
What are organs of motility in protists you have learned about?
Some protists use cilia, flagella, or pseudopods for motility. Cilia are short, hair-like structures that beat in a coordinated manner to move the cell. Flagella are longer whip-like structures that propel the cell forward. Pseudopods are temporary bulges of the cell membrane that extend and contract to push the cell in a particular direction.
Cells lining the trachea have whiplike mortile extensions on their free surfaces What are their extensions what is their source and what is their function?
The whiplike motile extensions are called cilia. They are sourced from the basal body of the cell. The function of cilia in the trachea is to move mucus and trapped particles upward and out of the airway, helping to clear the respiratory tract.
What plasma membrane extensions create the most surface area for the cell?
Microvilli are plasma membrane extensions that create the most surface area for the cell. These finger-like projections are found in cells involved in absorption, such as the cells lining the small intestine, and increase the cell's ability to transport nutrients.
Does flagella or cilia have a membrane?
Flagella and cilia do not have a membrane of their own. They are extensions of the cell membrane and are composed of microtubules. These structures help with cell movement and sensory functions in various organisms.
What are the long cellular extensions that propel cells?
The long cellular extensions that propel cells are called flagella and cilia. They are composed of microtubules and are used by cells for movement and sensory functions. Flagella are typically longer and found singly or in small numbers, while cilia are shorter and found in large numbers on the cell surface.
What cell are finger-like extensions of the cell surface membrane v?
Finger-like extensions of the cell surface membrane are found in epithelial cells, particularly in the form of microvilli. These structures increase the surface area of the cell, enhancing its ability to absorb nutrients and other substances. Microvilli are commonly found in cells lining the intestines and the kidneys, where they play a crucial role in absorption and secretion.
What is the cell's hairlike structure that helps with locomotion?
Hairlike projections that aid in the movement of substances along a cell's surface are called cilia
What structure is involved in phagocytosis?
Plasma Membrane !
What is a long hairlike structure that grows out of a cell and enables the cell to move called?
flagellum
