color:black;/* Change figcaption text color to black */
color:#333;/* Change figcaption text color to black */
font-size:14px;
text-align:center;
}
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<hr>
<p>Ribonucleic acids (RNAs) are an important class of biomolecules. The 4 canonical bases that exist in RNA are <u>adenine</u>, <u>uracil</u>, <u>guanosine</u>, and <u>cytosine</u>; with countless modifications possible to these bases.<sup>1</sup> RNA is essential to many biological functions of a cell, including key processes of the central dogma, such as transcription and translation. They function either as coding RNAs for protein synthesis (mRNA), or non-coding RNAs, which perform functional roles (tRNA and rRNA) as well as regulatory roles in gene expression (siRNA, microRNA).</p>