A Cluster of Tumor Cells That Produces and Secretes Growth

question 5

Multiple Choice

A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?

• A) autocrine
• B) paracrine
• C) endocrine
• D) neuroendocrine

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Definitions:

Commercial Invoice

A document used in international trade that details the price, type, and quantity of goods shipped, serving as a demand for payment.

Contract of Affreightment

An agreement between a ship-owner and a charterer to transport goods in a specified quantity over a set period of time without designating a specific vessel.

Bill of Lading

A legal document between a shipper and carrier; it details the type, quantity, and destination of the goods being carried.

Negotiable Instrument

An instrument in writing that, when transferred in good faith and for value without notice of defects, passes a good title to the instrument to the transferee.