How antibiotics work

How antibiotics work

How do antibiotics work? Pathogenic bacteria in the body cause infections, which can be treated by antibiotics Bacteriostatic antibiotics slow the growth of bacteria by interfering with the processes the bacteria need to multiply These processes include: DNA replication Metabolism e.g. enzyme activity Protein production Bactericidal antibiotics kill the bacteria, for example by preventing the

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Carbon and Nitrogen Cycles

Carbon and Nitrogen Cycles

Captions are on! Turn off by clicking CC button at bottom right. Follow us on Twitter (@AmoebaSisters) and Facebook! So last weekend, my family bought something pretty cool. Something we’re sure you’ve always wanted. No, it’s not a pony. It’s a rotating compost bin! Yeah! It’s for compost and it rotates. Which is going to

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The Immune System Explained I – Bacteria Infection

The Immune System Explained I – Bacteria Infection

Every second of your life, you are under attack. Billions of bacteria, viruses, and fungi are trying to make you their home. So our bodies have developed a super complex little army with guards, soldiers, intelligence, weapons factories, and communicators to protect you from…well…dying For this video, let’s assume the immune system has 12 different

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Why is biodiversity so important? – Kim Preshoff

Why is biodiversity so important? – Kim Preshoff

Our planet’s diverse thriving ecosystems may seem like permanent fixtures, but they’re actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks, even without cataclysmic events, like volcanoes and asteroids. What makes one ecosystem strong and another weak in the face of change? The answer, to a large extent, is biodiversity.

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