At least some portion of the molecule is hydrophobic.
There is there's only one characteristic common to all lipids, their inability to dissolve in water.
Each carbon atom in ethane forms 4<span> bonds: 1 to a carbon atom and 3 to each of the attached hydrogen atoms. A single covalent bond containing 2 shared electrons is also called a sigma (σ) bond.
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More confident in the results
the others options could be valid but there is the need for more information to conclude in another hand, more confident in results is the most general case, if the repeating test brings back the same results.
They are antiparallel. One strand goes 5'-3' and the other goes 3'-5'
