To solve this problem, we need to determine the number of base pairs in a DNA molecule of length 1.1 meters.$\newline$The length of one base pair in DNA is approximately 0.34 nanometers (nm).$\newline$First, we convert the length of the DNA from meters to nanometers:$\newline \bullet$1 meter = $10^9$ nanometers$\newline \bullet$Therefore,$1.1 \ meters = 1.1 \times 10^9$ nanometers$\newline$Next, we calculate the number of base pairs by dividing the total length in nanometers by the length of one base pair:$\newline \bullet$Number of base pairs$= \frac{1.1 \times 10^9 \ nm}{0.34 \ nm/bp} \newline \bullet$Number of base pairs$\approx 3.24 \times 10^9$ bp$\newline$The closest option to this calculation is Option 1: $3.3 \times 10^9 bp. \newline$Therefore, the correct answer is Option 1.