3B Scientific W56615 DNA Extraction Lab Kit, 100 Piece
DNA extraction kit for study of history of DNA discovery and DNA structure.
Develops student understanding of genetic inheritance, role of DNA and proteins in genetic expression, and how to use biological detergents, enzymes, and ethanol to isolate DNA from plant material.
Materials for 15 groups of students for hands-on learning.
Teacher’s manual and student study guide copymasters for instructional use.
Suitable for age 13 and older with adult supervision.
RIDGID 29963 Model 35S Stainless Steel Tubing Cutter, 1/4-inch to 1-3/8-inch Tube Cutter (2-Pack)
SONDE AND LINE LOCATOR: Compact design with the power to easily solve most challenging underground locates for those seeking SeeSnake cameras, remote transmitters or flushable sonde transmitters, target pipes, cables, or energized lines.
Use with SeeSnake inspection reels or other sondes for best results.
MULTI-DIRECTIONAL TECHNOLOGY: Antenna constantly sees the entire signal from any direction and by simply maximizing the signal strength, you'll find the target without the worry of false peaks or nulls.
SUPERIOR SPEED AND ACCURACY: Features 4 Sonde and 5 Line trace mode frequencies.
digital readout offers real-time signal strength with no false peaks.
micro-mapping to surround the target along with on-screen markers and automatic depth calculations for fast, easy, and more accurate locates.
RELIABLE GUIDANCE: Locate position is verified through the micro-mapping and presents on-screen markers of distinctive poles in front of and behind your target with depth calculation that automatically displays when over the target, guiding you efficiently.
ALL-IN-ONE PACKAGE: Locator comes with a carrying case for convenient jobsite transportation and protection as well as surface marker chips, an instructional video, an operator's manual, and 4 C-Cell batteries.