The tonicity of the solution was inferred from the given statement based on the placement of Gram-negative bacteria.
Bacteria are tiny, single-celled creatures. Bacteria, which are vital to the world's ecosystems, are present almost everywhere. Some species can thrive in environments that have high pressure and temperatures.. In fact, it's believed that bacterial cells outnumber human cells in the human body. Instead of beaks, bacteria use proteins or enzymes to help them convert various nutrients into forms that may be used for energy.
Being unicellular, prokaryotic, tiny, lacking of a nucleus, and possessing a plasma membrane are the five characteristics that define bacteria. All bacteria share these characteristics.
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