You don't actually have to navigate to the folder to list the files within it. You can simply specify the path as part of the ls command as shown below. ls /path/to/file. By default the files and folders will be listed in columns across the screen and all you will see is the filename.
Alanine (abbreviated as Ala or A; encoded by the codons GCU, GCC, GCA, and GCG) is an Î±-amino acid that is used in the biosynthesis of proteins.
A nucleic acid is a genetic molecule. DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are nucleic acids. They are polynucleotides, made up of a phosphate-sugar backbone and nitrogenous bases of which there are four types: adenine, thymine (uracil in RNA), cytosine and guanine.