title: internal control
organism: metagenome
description: RiboRuler RNA ladder (Cat. No. SM1821)
attributes.tag: host
attributes.value: NA
attributes.tag: isolation_source
attributes.value: NA
attributes.tag: collection_date
attributes.value: NA
attributes.tag: geo_loc_name
attributes.value: NA
attributes.tag: lat_lon
attributes.value: NA
attributes.tag: source_material_id
attributes.value: Thermo-Fisher
attributes.tag: BioSampleModel
attributes.value: Metagenome or environmental