{"query": "GC(GGCC) = 4/4 = 1.0 · revcomp(ATGC) = GCAT", "count": 2, "results": [{"id": "card_v_bb6d277d32ee", "title": "GC(GGCC) = 4/4 = 1.0 · revcomp(ATGC) = GCAT", "shelf": "genetics", "surface": "secular", "snippet": "Verdict: HOLDS.\n• genetics.gc_content: GC fraction 1.0000 matches claim 1.0000 (tol 0.001)\n• genetics.reverse_complement: reverse complement matches claim\nSealed and independently re-checkable: https:", "authority_tier": "engine", "source": "Verified by the engine — genetics", "generated": false}, {"id": "card_works_genetics", "title": "Reading and mirroring a strand of DNA", "shelf": "the-works", "surface": "secular", "snippet": "A strand's GC content and its reverse complement are fixed by the base-pairing rules — A with T, G with C. Here GGCC is all GC, and ATGC mirrors to GCAT.  Worked & sealed by the engine — GC(GGCC) = 4/", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}]}