2
Which one of the following is an example of primary database?
EXPLANATION
Relational Model
- Primary vs. Secondary Biological Databases:
- Primary (Archival) Databases: Store original, experimentally determined, direct sequence and structural submissions submitted directly by researchers.
- Examples: EMBL (European Molecular Biology Laboratory), GenBank (NCBI), DDBJ (DNA Data Bank of Japan), and PDB.
- Secondary (Derived) Databases: Store curated, processed, or value-added information derived from primary records:
- KEGG: Pathway and systems database.
- RefSeq: Curated, non-redundant reference sequence database.
- CATH: Protein domain classification database based on structural coordinates.
- Conclusion: The primary database is EMBL (Option 2).
Correct option: (2) EMBL
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