BY ALISA ZAPP MACHALEK A cross-section of a cell showing organelles. Credit: Judith Stoffer. Welcome to our tour of the cell! Imagine you’ve shrunk down to about 3 millionths of your normal size. You are now about 0.5 micrometers tall (a micrometer is 1/1,000th of a millimeter). At this scale, a medium-sized human cell looks as...
Tag: <span>organelles</span>
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Mysterious cellular droplets come into focus
The world inside the human cell grew a bit more interesting in recent years as the role of a new biological structure became clearer. It was long believed that the most important operations in the cell occur in organelles. “They’re there to do certain functions, such as mitochondria generating the energy that everything runs on,”...