1) What are two general reasons cells need to communicate? 2) Match the followin

Question

1) What are two general reasons cells need to communicate?

2) Match the following terms to the descriptions. Each term may be used once, more than once, or not at all. (You can just write the description number and term letter for your answers).

A. direct intercellular signaling

B. contact-depended signaling

C. autocrine signaling

D. paracrine signaling

E. endocrine signaling

1) This type of signaling involves a steroid secreted from a gland or organ, that travels through the bloodstream to the target cells.

2) This type of signaling happens when T-cells of the immune system bind to a cell infected with a virus.

3) This type of signaling happens when cells tell themselves and neighboring cells, it is time to divide.

4)This type of signaling happens to signal your heart muscle to beat. The signaling takes place through gap junctions between cells.

5)This type of signaling happens when a neuron transmits a signal from one cell to another across the synaptic cleft.

Explanation / Answer

Please find the answers below:

Answer 1: The cells are not isolated entities and hence require to communicate with each other. The primary reasons for this comunication are as discussed below:

Answer 2: The correct matches can be found as below:

A. direct intercellular signaling: Option 4

B. contact-depended signaling: Option 2

C. autocrine signaling: Option 5

D. paracrine signaling: Option 3

E. endocrine signaling: Option 1

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