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A receptor
Explanation:
A protein that detects a signal molecule and performs an action in response is called a receptor protein.
- These are proteins in a target cell or sometimes found on the surface.
- They receive chemical signals.
- These chemical signals are usually in form of ligands.
- These proteins facilitates communication between cells.
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Receptors brainly.com/question/8817735
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Answer:
bones protect vital organs
Explanation:
there are approx 200+ bones only on average, hence the first is out
bike is produced in the bike duct which acts to break down fats into simpler substance for the body to intake
red blood cells are produced and stored in the bones and not carbohydrates
the smallest bone is found in your ear, hence the last one is out
Answer:
nucleus
Explanation:
this is because a nucleus is the one that regulates and controls the activities of the nucleus