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This is a PPT background picture of a colorful DNA gene chain;
Keywords: biological gene chain PowerPoint background picture, color DNA slide background picture
Green leaf large graphic layout, dark green fresh color matching, si...
Cartoon character is sitting in front of a computer and writing a wo...
Business big picture background, paper airplane icon, minimalistic h...
High-end gold event planning book ppt template, event background, ev...
Business work summary report ppt template, geometric figure layout a...
High-end black gold thesis defense ppt template, introduction, resea...