Water molecules are not found in a dna molecule.
Answer:
3 - Photoreceptors.
Explanation:
Photoreceptors are a sensor that is connected to your retina. They sense light and send the message to your brain. The sensors automatically squint your eyes if something will blind you.
The correct answer is 'photoreceptors'.
The opposite strand would read TAACTG because the two pairs are A-T and C-G of the nucleic bases.
One is A I think... 2 is B... 3 is C...4 is C... 5 is A...