Final answer:
The core promoter of structural genes in eukaryotes contains the TATA box, CAAT box, and GC box as important elements. These elements are involved in the initiation and regulation of gene transcription.
Step-by-step explanation:
In eukaryotes, the core promoter of structural genes contains several important elements. One of these elements is the TATA box, which has the consensus sequence TATAAA and is located at -25 to -35 bases relative to the transcriptional start site. The TATA box helps in the unwinding of the DNA template for transcription initiation. Another element is the CAAT box, with the consensus sequence CCAAT, which is found within a few hundred base pairs upstream of the transcriptional start site and enhances gene transcription. There is also the GC box, with the consensus sequence GGGCGG, which has a similar function as the CAAT box to regulate gene transcription.