Isolating DNA from a petri dish containing X-Gal agar overlayed with a lawn of bacteriophage infected E.coli bacteria creating different shades of blue plaques by the expression of beta-galactosidase mutants.
Price: 10
Isolating DNA from a petri dish containing X-Gal agar overlayed with a lawn of bacteriophage infected E.coli bacteria creating different shades of blue plaques by the expression of beta-galactosidase mutants.
Price: 10
Subject: Horizontal view from above of a young woman in a pink bikini. She is reclining and relaxing on a flotation air inflatable mattress in a swimming pool of a tropical paradise locale.
Price: 10
A large decidious tree leafless in the winter with a path covered in snow and surrounded by brown grasse in an outdoor park under blue skies.
Price: 10
