Use the Following to Answer Questions

question 23

Multiple Choice

Use the following to answer questions :
A castaway on a desert island puts a message in a bottle and throws it into the ocean,hoping it will wash up on some inhabited shore and bring help.
-In endocrine signaling,the ocean is analogous to

• A) nerve cells.
• B) the blood.
• C) a carrier protein.
• D) a hormone.
• E) a receptor.

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Definitions:

R&D

Research and development; activities undertaken by companies or governments to innovate and introduce new products or services.

Entry Barriers

Obstacles that prevent or hinder new competitors from easily entering an industry or area of business, potentially including high startup costs, stringent regulations, or strong brand loyalty among consumers.

Patent

An exclusive right given to inventors to produce and sell a new product or machine for 20 years from the time of patent application.

Imitation

The action of using someone or something as a model and copying their behavior or actions.