The authors created a useful collection of Rep protein variants with changes that alter the amino acid sequence, but these did not lead to clear improvements in how the virus worked. Instead, their ...

The Mosaic Company, through its subsidiaries, produces and markets concentrated phosphate and potash crop nutrients in the United States, Brazil, China, Canada, Paraguay, Argentina, Japan ...

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Tools and Materials Transparent tape with a shiny, nonmatte surface (Scotch brand tape may not work, but some brands of inexpensive 2-inch-wide transparent packing ... The tape will look clear, but ...