11 Questions
What is the main function of phagocytosis in mammals?
To provide a defense against invading microorganisms
Which type of specialized white blood cells are responsible for phagocytosis in mammals?
Macrophages
What is the first step in the process of phagocytosis?
Binding of the particle to receptors on the cell surface
What type of movement is responsible for the extension of pseudopodia during phagocytosis?
Actin-based movement
Which organelle fuses with phagosomes during phagocytosis?
Lysosome
Apart from providing a defense against microorganisms, what is another major role of phagocytosis?
Elimination of aged or damaged cells
What is the process by which eukaryotic cells take up macromolecules and particles from the surrounding medium?
Endocytosis
Which type of endocytosis involves the selective uptake of specific macromolecules?
Receptor-mediated endocytosis
What happens to the material ingested during endocytosis after it is surrounded by the plasma membrane?
It undergoes a chemical change in the vesicle and digested
In which type of endocytosis does a cell engulf large particles in a vacuole?
Phagocytosis
What is the main difference between phagocytosis and pinocytosis?
The size of particles ingested
Test your knowledge on receptor mediated-endocytosis in medical biology with this quiz. Explore how eukaryotic cells take up macromolecules and particles through endocytosis. Learn about carrier and channel proteins involved in transporting small molecules through the phospholipid bilayer.
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