Final answer:
Cytoplasmic streaming in plant cells is primarily driven by actin-myosin interactions. Myosin actively generates force for movement and transports various cargoes along the actin filaments, which serve as a dynamic scaffold within the cell.
Step-by-step explanation:
The primary driving force behind cytoplasmic streaming in plant cells is b. Actin-myosin interactions. Myosin, a motor protein, slides along actin filaments, using ATP to generate force for the movement. This process helps distribute cellular components and nutrients throughout the cell, supporting cellular function and health.
The proposed role of myosin-cargo complexes in cytoplasmic streaming is c. Generating force for movement. Myosin binds to various cargo within the cell and moves them along actin filaments, actively transporting them to different locations within the cell.
In the context of cytoplasmic streaming, the force generated from active transport acts directly on the actin filaments themselves, answer is a. Yes, contributing to actin filament movement. The action of myosin on actin filaments generates the force necessary for both filament and cargo movement, enabling the streaming process.
Cytoplasmic streaming is driven in plant cells by c. Actin-cargo interactions. The actin filaments serve as tracks for myosin motors to transport various cellular cargo, facilitating effective intracellular distribution.
During cytoplasmic streaming, myosin plays a role in c. Actively transporting cargo along actin highways. Myosin utilizes ATP energy to move along the actin filaments, carrying cargo such as organelles and vesicles to their destinations within the cell.