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- https://bio.libretexts.org/Courses/Monterey_Peninsula_College/Raskoff_Environmental_Science/02%3A_Environmental_Systems/2.04%3A_The_Chemistry_of_WaterDo you ever wonder why scientists spend time looking for water on other planets? It is because water is essential to life; even minute traces of it on another planet can indicate that life could or di...Do you ever wonder why scientists spend time looking for water on other planets? It is because water is essential to life; even minute traces of it on another planet can indicate that life could or did exist on that planet. Water is one of the more abundant molecules in living cells and the one most critical to life as we know it. Approximately 60–70 percent of your body is made up of water. Without it, life simply would not exist.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/01%3A_The_Chemical_Basis_of_Life/1.06%3A_Acids_and_BasesThis page explains that acids donate protons (H+) to bases, while bases accept them. For instance, hydrochloric acid (HCl) ionizes in water, producing chloride and hydronium ions. Ammonia (NH3) acts a...This page explains that acids donate protons (H+) to bases, while bases accept them. For instance, hydrochloric acid (HCl) ionizes in water, producing chloride and hydronium ions. Ammonia (NH3) acts as a base by accepting a proton from HCl, forming ammonium and water. It also highlights the role of biological acids, particularly those with carboxyl groups like acetic acid, and notes that biological bases often contain amino groups, with bicarbonate ions being significant bases.
- https://bio.libretexts.org/Courses/West_Los_Angeles_College/Biotechnology/02%3A_The_Molecules_of_Life/2.01%3A_WaterWater is essential to all life. This page describes the chemistry and major properties of water, in addition to a description of acids, bases, pH, and buffers.
