Multiple Choice
Which of the following is a core principle of cell theory?
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10. Cell Signaling
Introduction to Cell Signaling
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Which of the following correctly describes the target cells in autocrine signaling?
A
The target cells are specialized cells in the nervous system.
B
The target cells are the same cells that produce the signaling molecules.
C
The target cells are located in distant parts of the body.
D
The target cells are adjacent to the signaling cells.
Verified step by step guidance1
Understand the concept of autocrine signaling: Autocrine signaling is a form of cell signaling where a cell secretes signaling molecules that bind to receptors on its own surface, affecting its own activity.
Identify the characteristics of target cells in autocrine signaling: In autocrine signaling, the target cells are the same cells that produce the signaling molecules.
Differentiate autocrine signaling from other types of signaling: Unlike paracrine signaling, where target cells are nearby, or endocrine signaling, where target cells are distant, autocrine signaling involves the same cell acting as both the sender and receiver of the signal.
Consider the options given: Evaluate each option based on the definition of autocrine signaling. The correct description should match the characteristic of the target cells being the same as the signaling cells.
Select the correct answer: Based on the understanding of autocrine signaling, choose the option that states 'The target cells are the same cells that produce the signaling molecules.'
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