An amoeba is a single-celled organism that feeds on algae, plants cells, bacteria. When an amoeba feeds, it first makes contacts with the food particle. Next, the amoeba starts to surround the particle. Once the particle is completely engulfed, it is surrounded by a layer of the amoeba’s membrane, forming a vesicle. The pH in the vesicle is then lowered and the contents are degraded. What type of transport is involved in this process?

This is a form of active transport that enable cells to import large particles that cannot pass across the membrane. It is a bulk transport system. The opposite of endocytosis s exocytosis where the cell expels large particles to the outside of the cell.

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DimahiS DimahiS · Answer 2 · 2022-07-11T04:19:00+02:00

The process mentioned here in this case is called as Endocytosis.

What is Endocytosis?

The term was coined by Christian de Duve in 1963 and include both the ingestion of large particles and the uptake of fluids or macromolecules in small vesicles.

Former of this is known as Phagocytosis and the latter is Pinocytosis.

Endocytosis can be divided into four sub categories:

- Cathryn mediated Endocytosis

- Caveolae

- Pinocytosis

- Phagocytosis

Principle components of Endocytosis are:

- Early Endosomes

- Late Endosomes

- Lysosomes

What are Amoeba?

An amoeba is a type of cell or unicellular organism which has the ability to alter its shape, primarily by extending and retracting pseudopods.

Amoebae do not form a single taxonomic group and are found in every major lineage of eukaryotic organisms.

Amoeboid cells occur not only among the protozoa, but also in fungi, algae, and animals.

Amoebae do not have cell walls, which allows for free movement.

Amoebae move and feed by using pseudopods, which are bulges of cytoplasm formed by the coordinated action of actin microfilaments pushing out the plasma membrane that surrounds the cell.

To regulate osmotic pressure, most freshwater amoebae have a contractile vacuole which expels excess water from the cell.

Some multicellular organisms have amoeboid cells only in certain phases of life, or use amoeboid movements for specialized functions.

In the immune system of humans and other animals, amoeboid white blood cells pursue invading organisms, such as bacteria and pathogenic protists, and engulf them by phagocytosis.

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