Final answer:
True, cell signaling includes local signaling, such as paracrine and direct signaling via gap junctions, as well as long distance signaling like endocrine signaling with hormones. This system allows cells to coordinate and maintain homeostasis.
Step-by-step explanation:
True, cell signaling can consist of both local signaling and long distance signaling. Local signaling involves paracrine signaling, where signals are sent over short distances, and direct signaling through gap junctions, where small molecules pass directly between neighboring cells. On the other hand, long distance signaling includes endocrine signaling, where hormones are released into the bloodstream and travel to distant target cells.
Additionally, autocrine signals are those received by the same cell that sends them or other nearby cells of a similar type. This sophisticated communication system enables cells to detect and respond to changes, coordinate activities, and ensures proper functioning of metabolic processes. Errors in these signaling pathways can lead to diseases, highlighting the critical role of cellular communication in maintaining homeostasis.