Motor proteins provide for molecular transport of materials in cells by interacting with CYTOSKELETAL STRUCTURES.
Cytoskeletal structures refers to those structures in the cells that provide basis for movement from one part of the cell to another.
Motor protein work together with cytoskeletal structures to carry different type of materials from one point of the cell to another point.
Answer: D
Explanation: the continents wee once connected. It was known as Pangea
Facilitated diffusion goes against a concentration gradient
Answer:
behavioral isolation, geographic isolation, and temporal isolation