12 results for “base”
Chemistry
Acids and Bases
base A base is the chemical opposite: it removes hydrogen ions, often by releasing hydroxide ions
Article · 3 min read
Life & Biology
DNA and Genes
bases, of which there are four: adenine, thymine, guanine and cytosine, abbreviated A, T, G and C. The bases
Article · 4 min read
The Human Body
Skin, Hair and Nails
base and pushed slowly upwards. As they rise they fill with a tough protein called keratin
Article · 3 min read
Chemistry
The Chemistry of Life
based molecules: carbohydrates, fats, proteins and nucleic acids. Here is what each one does. A tree
Article · 3 min read
Animals
The Octopus
based molecule rather than the iron-based one that makes ours red. It breathes water through
Article · 3 min read
The Human Body
The Brain
base, the brainstem runs breathing, heart rate and sleep, and connects everything to the spinal cord
Article · 4 min read
Life & Biology
Evolution
base of the spine, an appendix, and goosebumps that once fluffed up fur we no longer
Article · 4 min read
Life & Biology
The Origin of Life
bases of DNA. Radio telescopes detect sugars and amino acid precursors in the gas clouds where
Article · 4 min read
Plants & Fungi
Flowers and Pollination
base, the ovary, holding the eggs that will become seeds. Nectar, a sugary liquid, is usually
Article · 4 min read
Planets & the Solar System
The Moon
bases. Tides and a steady Earth The Moon's gravity pulls harder on the near side
Article · 4 min read
Animals
Insects
base of food webs on every continent except Antarctica. They are small, which is why we overlook
Article · 3 min read
Planet Earth
Volcanoes
based on those signs have saved tens of thousands of lives. Pinatubo's eruption in 1991 killed
Article · 4 min read
