Streptococcus pneumoniae

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How to identify Gram-positive cocci

Posted on by Konstantina Louka

One day, you woke up with a mild irritation on your arm. The skin was red and itchy. You paid no attention. But the next day, you noticed more bumps filled with pus. It looked concerning, so you decided to… Continue Reading →

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Classic experiments: DNA as the genetic material

Posted on by Konstantina Louka

In a previous post, we learned that DNA is the genetic material of the cells, and one of its most important functions is that it contains genes that carry the information for the determination of the hereditary characteristics. However, scientists were… Continue Reading →