Answer: See below
Explanation:
There should be another answer that can be chosen: the rat’s chemical receptors detect chemicals in the fruit that alert the rat to possible danger. Sensory receptors in the rat's whiskers respond to input about the texture of the fruit, maybe it's slimy or rancid, if if it was another factor such as the environment, it wouldn't have approached the fruit in the first place.
The highest potential of the 4 organic molecules found in living beings are nucleic acid, proteins, carbohydrates and lipids.
I think it’s either the first or last one
