Gram staining is one way scientists can identify bacteria. Gram-positive bacteria, such as Staphylococcus, appear blue or purple under a microscope when scientists apply a stain. Conversely, ...
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. They release ...
Building your own slides is a great way to get more from your microscope — here's how to make them
Making your own microscope slides can be fun and easy with these simple-to-follow tips — including dry and wet mounting, plus crafty alternatives. When you purchase through links on our site, we may ...
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