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Chapter 9: Q. 23 (page 252)

What is the difference between intracellular signaling and intercellular signaling?

Short Answer

Expert verified

Intracellular signaling is communication within a cell and intercellular signaling is communication between the cells.

Step by step solution

01

Step 1. Indroduction

Cell release chemical signals to target any cells and communicate with each other through signaling molecules or chemical signals in a multicellular organism. Receptors are present on the surface and in the cytoplasm of target cells to receive signals from other cells.

02

Step 2. Explanation

Two types of communication are found in the living cell that is intercellular signal and intracellular signal. Intra means “inside” and inter means “between”. Intercellular signal refers to the communication between two or more cells while intracellular signals refer to the communication within the cell.

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Most popular questions from this chapter

The same second messengers are used in many different cells, but the response to second messengers is different in each cell. How is this possible?

A scientist notices that when she adds a small, water soluble molecule to a dish of cells, the cells turn off transcription of a gene. She hypothesizes that the ligand she added binds to a(n) ______ receptor.

a. Intracellular

b. Hormone

c. Enzyme-linked

d. Gated ion channel-linked

Apoptosis can occur in a cell when the cell is ________________.

a. damaged

b. no longer needed

c. infected by a virus

d. all of the above

How does PKC’s signaling role change in response to growth factor signaling versus an immune response?

a. PKC interacts directly with signaling molecules in both cascades, but only exhibits kinase activity during growth factor signaling.

b. PKC interacts directly with signaling molecules in growth factor cascades, but interacts with signaling inhibitors during immune signaling.

c. PKC amplifies growth factor cascades, but turns off immune cascades.

d. PKC is activated during growth factor cascades, but is inactivated during immune response cascades.

How are the effects of paracrine signaling limited to an area near the signaling cells?
See all solutions

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