define Effector? fast within 1 min
Answers
An effector acts in special ways in response to a nerve impulse. In humans, effectors may either be muscles, which contract in response to neural stimuli, or glands, which produce secretions
Effectors
• Those cells which produce response after receiving a particular stimulus are known as effectors.
• An effector molecule is usually a small molecule that selectively binds to a protein and regulates its biological activity.
• In this manner, effector molecules act as ligands that can increase or decrease enzyme activity, gene expression, or cell signalling.
• Effector molecules can also directly regulate the activity of some mRNA molecules (riboswitches).
•For example- contraction of muscles for movement of diffrent body parts, release of hormones from glands etc.
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