NBME Answer🗽Explanations

Second Aid\biochemistry\molecular

\Chromatin structure
\Nucleotides
\De novo pyrimidine and purine synthesis
\Orotic aciduria
\Purine salvage deficiencies
\Genetic code features
\Mutations in DNA
\DNA replication
\DNA repair
\DNA/RNA/protein synthesis direction
\Types of RNA
\Start and stop codons
\Functional organization of the gene
\Regulation of gene expression
\RNA polymerases
\RNA processing (eukaryotes)
\Splicing of pre-mRNA
\Lac operon
\Introns vs. exons
\tRNA
\tRNA wobble
\Protein synthesis
\Posttranslational modifications