tility to label virtually any nucleic acid. The Forward Reaction labels nucleic acids containing a free 5' hydroxyl. The Exchange Reaction labels nucleic acids containing a 5' phosphate. CPG. Circle 142. U Image Analysis Software The Zeiss Image series of image analysis software is designed for use with Power Macintosh computers. The software covers the full range of counting, measurement, image, image enhancement, and image archiving applications. Users can employ gray scale or color

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... n, processing, and analysis. The program works seamlessly with other Macintosh-based applications such as Microsoft Excel and Word. Carl Zeiss. Circle 143. Circle No. 37 on Readers' Service Card To order, call toll-free 1-888-GET-CREW $8.95 plus $4 s&h (per order) Check out our Website for your local KCSC station, and for other cool Super Crew stuff.