ATP and Cell energy Model Set, Includes: Carbon/Hydrogen/Oxygen/Nitrogen/Phosphorus atoms, Red links for high energy bonds, Gray links for single/double bonds, Illustrate that metabolic processes use ATP as an energy source/convert it back into inorganic phosphate/ADP
Photosynthesis and Respiration Model Set, Fundamental processes in the flow of energy, Students build glucose and oxygen molecules at the giant chloroplast, Move the molecules to the mitochondria and reassemble them into carbon dioxide and water molecule
Model Human Child Skull, 13-year-old, With exception of wisdom teeth, all permanent teeth are fully erupted & no deciduous dentition remains, apices of canines, premolars & second molars are approximately one-half to two-thirds closed, Size: 7x5x7in
Model Human Child Skull, 10 teeth in maxillary & mandibular arcade, apices are formed on primary incisors, no visible tooth buds present at apices of primary molar, Crown formation on permanent incisors & first molar is 2/3 complete, Size: 15.9x11.5x14.3cm
Model Human Child Skull 15-month-old, contains 12 teeth in upper & lower jaws, anterior & posterior intra-occipital sutures are not fused, anterior fontanelle is open, posterior, sphenoidal & mastoidal fontanelle are closed, Size: 15.3x12.1X12cm
Model Human Adolescent Skull, features of race are of Asian, the totality of features is most with those of slightly gracile young male who has not yet fully developed his sexual characteristics & might be of a slightly robust female, Size: 19x14.2x20.1cm
Model Human Child Skull, root apices of permanent incisors & first molars are almost completely formed, spheno-occipital synchondrosis is open, anterior intra-occipital suture is closed, 2-part skull (jaw connected with hardware), Size: 18x12.6x17.1cm
Model Human Child Skull with Dentition Exposed, right side of maxilla & jaw bone has been cut away, Two of the teeth are only visible after part of mandibular cortical bone has been removed, 2-part skull (separate cranium & jaw), Size: 16.4x12x15cm