Question

Какие структуры обеспечивают движение клетки ?

Answer 1

Жгутики и реснички обеспечивают движение.))))

Answer 2

Движение клетки обеспечивают жгутики и реснички

Answer 3

Structures Facilitating Cell Movement

Cell movement is facilitated by various structures within the cell. These structures include:

1. Cytoskeleton: The cytoskeleton is a network of protein filaments that provides structural support and facilitates cell movement. It consists of microfilaments, intermediate filaments, and microtubules.

2. Cell Membrane: The cell membrane, or plasma membrane, plays a crucial role in cell movement by regulating the passage of substances in and out of the cell. It also interacts with the extracellular environment to facilitate movement.

3. Flagella and Cilia: These are hair-like structures protruding from the cell membrane that aid in cell movement. Flagella are longer and usually occur singly or in pairs, while cilia are shorter and occur in large numbers on the cell surface.

4. Motor Proteins: Motor proteins, such as myosin and kinesin, are responsible for the movement of organelles and vesicles within the cell. They utilize energy from ATP to generate force and facilitate cellular movement.

5. Extracellular Matrix (ECM): The ECM is a complex network of proteins and carbohydrates that provides structural support to cells and facilitates their movement. It also plays a role in cell signaling and adhesion.

6. Pseudopodia: Pseudopodia are temporary protrusions of the cell membrane and cytoplasm that aid in cell movement, particularly in processes like amoeboid movement.

7. Actin and Myosin: Actin and myosin are protein filaments that interact to produce movement within the cell. They are involved in processes such as muscle contraction and cytoplasmic streaming.

8. Integrins: Integrins are cell surface receptors that facilitate cell adhesion and signaling. They play a role in cell movement by interacting with the ECM and transmitting signals to the cell interior.

9. Cell Adhesion Molecules (CAMs): CAMs are proteins located on the cell surface that mediate cell-cell and cell-ECM interactions. They are involved in processes such as cell migration and tissue formation.

10. Glycocalyx: The glycocalyx is a layer of carbohydrates associated with the cell membrane. It plays a role in cell recognition, adhesion, and protection, which can indirectly influence cell movement.

In summary, cell movement is facilitated by a complex interplay of structures within the cell, including the cytoskeleton, cell membrane, flagella, motor proteins, extracellular matrix, pseudopodia, actin and myosin, integrins, cell adhesion molecules, and glycocalyx. Each of these structures contributes to different aspects of cell movement, such as structural support, locomotion, adhesion, and signaling.