Despite its unbelievable complexity, the DNA molecule is only 1 / 10,000,000 inch [0.0000025 mm] in diameter, far too small to be seen except with the aid of a powerful microscope.
अतिशय शक्‍तिशाली मायक्रोस्कोपच्या साहाय्यानेच केवळ हा रेणू पाहता येतो.