Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls.

One of the healthiest Indian recipes, chana daal fry is simple to make at home with readily available everyday ingredients ...

Here’s how it works. The four laptops in question are the LG Gram Pro (16-inch), a larger LG gram Pro (17-inch), the LG Gram Pro 2-in-1 and the LG Gram Book. The 16-inch Gram Pro is the flagship ...

One method is based on the cell membrane. In 1884, a bacteriologist named Christian Gram created a test that could determine if a bacterium had a thick, mesh-like surrounding cell membrane called ...