{"query": "Reading and mirroring a strand of DNA", "count": 2, "results": [{"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}, {"id": "card_src_pron_mirroring", "title": "mirroring", "shelf": "pronunciation", "surface": "secular", "snippet": "", "authority_tier": "", "source": "", "generated": false}]}