11 results for “bacteria”
Life & Biology
Bacteria and Viruses
bacteria, which are alive, and viruses, which may not be. Bacteria A bacterium is a single
Article · 4 min read
Life & Biology
What Is Life? The Cell
bacteria. That is because they were bacteria. Around two billion years ago, one cell engulfed another
Article · 4 min read
The Human Body
Digestion
bacteria. A meal is made of things your body cannot use. Bread, meat and vegetables are built
Article · 4 min read
The Human Body
The Immune System
bacteria. Stomach acid sterilises food. The airways are lined with mucus that traps particles and tiny
Article · 4 min read
Life & Biology
Ecosystems and Food Webs
bacteria are the producers, capturing energy from the Sun and building it into sugar. Everything else
Article · 4 min read
Plants & Fungi
Carnivorous Plants
bacteria that normally recycle dead material cannot work in them, so nitrogen and phosphorus, which every
Article · 4 min read
The Human Body
The Heart and Blood
bacteria, viruses and damaged cells. Platelets are tiny fragments that rush to a cut and, together
Article · 4 min read
Planet Earth
The Oceans
bacteria turn into food. Life, it turned out, does not need the Sun. Similar vents on icy moons
Article · 4 min read
Life & Biology
The Origin of Life
bacteria, archaea and complex cells, biologists have reconstructed features of the Last Universal Common Ancestor, LUCA
Article · 4 min read
Life & Biology
Evolution
Bacteria reproduce every twenty minutes, and when a new antibiotic is introduced, resistant strains appear within
Article · 4 min read
Life & Biology
DNA and Genes
bacteria, has made it possible to edit DNA precisely, cutting a chosen sequence and replacing it. The first
Article · 4 min read
