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An organism that causes disease e.g. bacteria, virus
An increased heart rate will cause an increase in blood flow around the body (increased cardiac output). This means that there will be more oxygen and more glucose being supplied to the muscles. Since oxy...
Imagine a cell like a rectangle, of which one side has finger-like projections (this side faces the intestinal lumen) called the villi, and the other side is flat - the base membrane of that cell that is....
pancreas detects low blood glucose, so produces glucagon. glycogen is converted to glucose
The first stage of gene expression is DNA transcription. Transcription is the formation of single stranded mRNA from double stranded DNA. During transcription, the enzyme DNA helicase unwinds the double h...
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