Bacteria
Bacteria are ancient organisms. Evidence for them exists in the fossil record from more than 3 billion years ago.
Bacteria are ancient organisms. Evidence for them exists in the fossil record from more than 3 billion years ago.
True or False: Not all microbes are harmful to humans.
Not all microbes are harmful to humans. In fact, many of them protect us, helping our bodies function properly and competing with harmful organisms in an eternal contest for habitable space in or on our bodies. Although the microorganisms that cause disease often receive more attention, most microorganisms do not cause illness.
Not all microbes are harmful to humans. In fact, many of them protect us, helping our bodies function properly and competing with harmful organisms in an eternal contest for habitable space in or on our bodies. Although the microorganisms that cause disease often receive more attention, most microorganisms do not cause illness.
Large molecules composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding.
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