AP BIOLOGY

THE CELL

CELL COMMUNICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is possible to have reception of a signaling that does not lead to a response.
A
true
B
false
Explanation: 

Detailed explanation-1: -Reception: A cell detects a signaling molecule from the outside of the cell. A signal is detected when the chemical signal (also known as a ligand) binds to a receptor protein on the surface of the cell or inside the cell.

Detailed explanation-2: -The cell does not perceive the ligand and thus does not respond to it. Not all cells can “hear” a particular chemical message. In order to detect a signal (that is, to be a target cell), a neighbor cell must have the right receptor for that signal.

Detailed explanation-3: -Expert-Verified Answer Cell signaling is necessary for multicellular organisms to control several processes.

Detailed explanation-4: -A mobile phone signal (also known as reception and service) is the signal strength (measured in dBm) received by a mobile phone from a cellular network (on the downlink). Depending on various factors, such as proximity to a tower, any obstructions such as buildings or trees, etc. this signal strength will vary.

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