The Phosphorus Cycle – Nutrient Cycles Ep 2

Phosphorus is another essential element for living organisms. Phosphate ions are needed to make phospholipids, ATP, and nucleotides (the monomers of DNA and RNA). Phosphates are transferred through an ecosystem in the phosphorus cycle. In this article we will look at the cycle itself, and the role of mycorrhizae and saprobionts. The phosphorus cycle Many … Read more

Diffusion – Exchange and Transport Ep 2

Diffusion is one of those topics that pops up at all levels of biology, and each time gets a little more complicated. But it is still the basic process of substances evenly distributing themselves. It is just a little more complex when it happens across a cell membrane. Simple diffusion Firstly, lets recap the basics … Read more

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