Breckland Scientific 2021 Catalogue

Genetics & DNA - GlassWorking Tools

Models

a

1 POPPIT BEADS These coloured poppit beads can be used to represent the Watson-Crick DNA bases (A, T, G, C). The beads, which can be push-fit together and pulled apart, can be used in a variety of ways to demonstrate concepts related to the structure and biology of DNA. Available as individual colours in packs of 150 beads (red, blue, green and yellow) or as a mixed pack of 600 beads (150 of each colour). Cat No. Description Colour Code Price Per FSF-060-100 Poppit Beads Red 17.51 150 FSF-060-150 Poppit Beads Yellow 17.51 150 FSF-060-200 Poppit Beads Green 17.51 150 FSF-060-250 Poppit Beads Blue 17.51 150 FSF-060-300 Poppit Beads Mixed 63.24 600 2 DNA - RNA MODEL This model shows a 12 base pair section of DNA in the process of transcribing RNA. The model can easily be converted to show DNA in the ladder and helix form. Part-assembled - the DNA ladder is assembled and the base supplied for quick display. Height 500mm. Cat No. Description Price Per MOD-100-100 DNA - RNA Model 17.60 ea. 3 MINIDNA® MOLECULAR MODEL KIT A self-assembly abstract molecular model of either a 12 or 22 layer double helix of Deoxyribonucleic acid. Each high quality plastic moulded shape is colour-coded and the number of hydrogen bonds are represented by the pegs forming the base pairs. The approximate scale is 1cm = 2 Angstroms. The models can be displayed as a helix on the stand or unwound into the ladder. Supplied with full instructions. Cat No. Description Price Per MOD-150-100 DNA 12 Layer Kit 21.19 kit MOD-150-150 DNA 22 Layer Kit 37.03 kit

1

b

c

d

e

Poppit Beads

f

2

3

g

h

i

j

k

l

DNA-RNA Model

MiniDNA Molecular Model

Glass Working Tools

m

4 GLASS CUTTING DIAMOND Mounted in a wooden handle. Cat No. Description

4

n

Price Per

GLA-050-100 Glass Cutting Diamond

16.75 ea.

o

5 GLASS TUBE CUTTER Made from nickel plated zinc alloy. For tubing up to 30mm dia. Cat No. Description Price Per GLA-100-100 Glass Tube Cutter 22.42 ea. GLA-100-150 Spare Wheels 5.27 ea. 6 CHINAGRAPH PENCILS For writing on glass, china, acetate and other polished surfaces. Cat No. Description Price Per LAB-300-050 Black 18.25 12

Glass Cutting Diamond

p

5

q

r

s

6

Glass Tube Cutter

t

Related Products... For glass tubing see page 472

v

Chinagraph Pencil

w

244

www. breckland SCIENTIFIC .co.uk