This is because local interactions — particularly the development of chemical gradients — are possible when bacteria grow in a spatially structured environment such as the glass surface used ...

Some of these bacteria naturally carry ARGs, which help them fight off antibiotics. While this might not seem like a big deal ...

Reason – this allows the bacteria to spread out and to grow in individual colonies on the agar plate. A lawn of bacteria can be produced by using a sterile spreader to evenly spread the bacteria ...

Speaker one And I’ll tell you why: because allowing oxygen to be present that prevents harmful bacteria from growing as many pathogens thrive in anaerobic conditions. Leave the plate upside down ...

This is when bacteria grow, multiplying by two every 20 minutes. To avoid this, make sure food isn't left out of the refrigerator for more than two hours (or for more than one hour, if ...