You are presented with the question "what are encoded with instructions that tell cells what to do?" and the following answer choices: 
- heat or cold
 - sensory neurons
 - a delta
 - gene segments
 - A Greek letter
 - to move people
 - lie detectors
 - Electrical energy

Now knowing that molecules of DNA are encoded with instructions that tell cells what to do and genes are segments of DNA molecules, choose the best answer.


 

    gene segments     