Easy to construct the three dimensional model of DNA. Emphasizing the base pair sequence and function of DNA, the sturdy, colorful bases snap together in the correct sequence, and the pairs attach to a center rod representing hydrogen bonds.
Filter Paper 125 mm Grade 1 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
Filter Paper 125 mm Grade 3 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
Mirror, With Base, To explore light reflection & refraction properties of convex mirrors, law of reflection, image formation, the effects of surface curvature on reflection, spherical aberration, diameter of the mirror is 95mm approx.
Mirror, With Base, To explore light reflection & refraction properties of concave mirrors, law of reflection, image formation, the effects of surface curvature on reflection, spherical aberration, diameter of the mirror is 95mm approx.
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