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The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..

Chromosome Mutations
Chromosome Mutations

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New Zealand Fauna
New Zealand’s Unique Fauna

Meet some of New Zealand's unique fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..

Gene Regulation in Eukaryotes
Gene Regulation in Eukaryotes

Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....

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The Origins of Life

This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

Plant Water Regulation
Plant Water Regulation

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..