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proteins

proteins

How proteins build muscle.
© American Chemical Society (A Britannica Publishing Partner)
  • © MinuteEarth (A Britannica Publishing Partner)
    A survey of the largest known single living organisms on Earth, which includes representatives from the animal, plant, and fungal kingdoms.
    See a survey comparing the largest known single living organisms on Earth: from the animal, plant, and fungal kingdoms
    See a survey comparing the largest known single living organisms on Earth: from the animal, plant, and fungal kingdoms
  • Encyclopædia Britannica, Inc.
    When one muscle contracts, another relaxes.
    How Antagonistic Pairs Help Muscles Move
    How Antagonistic Pairs Help Muscles Move
  • © World Science Festival (A Britannica Publishing Partner)
    Learn about cicadas and how their songs inspire humans to make music.
    How do cicadas inspire new forms of music?
    How do cicadas inspire new forms of music?
  • Encyclopædia Britannica, Inc.
    Learn what defines an organism and consider two candidates for the title of world's smallest organism—the bacteria Carsonella ruddii and Mycoplasma genitalium.
    What is the world's smallest organism?
    What is the world's smallest organism?
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