DNA Model, built to a scale of 10cm to 1nm and accurately depicts a 16 base pair section of DNA, phosphatedeoxyribose backbone and the four bases are represented by custom plastic moldings that show the shapes of the molecules in scale, Dimensions: 25in x 9in x 9in
Set of nine models, showing the following stages. 1. Embryo 6 days old 2. 1st month of gestation. 3. Uterus with embryo in 3rd month of gestation.4. Uterus with fetus, in 4th month. 5. Uterus with fetus, placenta and umbilical cord.6. 5th month. 7. 7th month pregnancy.
Three dimensional model showing electron microscopic structure. Organs like nucleus, Nucleolus, endoplasmic reticulum, mitochondria, ribosomes respectively polysomes and golgi apparatus. Showing centrioles, lysosomes and vacuoles.