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  2. Iron in biology - Wikipedia

    en.wikipedia.org/wiki/Iron_in_biology

    Iron plays an essential role in marine systems and can act as a limiting nutrient for planktonic activity. [51] Because of this, too much of a decrease in iron may lead to a decrease in growth rates in phytoplanktonic organisms such as diatoms. [52] Iron can also be oxidized by marine microbes under conditions that are high in iron and low in ...

  3. Human iron metabolism - Wikipedia

    en.wikipedia.org/wiki/Human_iron_metabolism

    Human iron metabolism is the set of chemical reactions that maintain human homeostasis of iron at the systemic and cellular level. Iron is both necessary to the body and potentially toxic. Controlling iron levels in the body is a critically important part of many aspects of human health and disease.

  4. Iron - Wikipedia

    en.wikipedia.org/wiki/Iron

    Iron plays an essential role in marine systems and can act as a limiting nutrient for planktonic activity. [200] Because of this, too much of a decrease in iron may lead to a decrease in growth rates in phytoplanktonic organisms such as diatoms. [201] Iron can also be oxidized by marine microbes under conditions that are high in iron and low in ...

  5. Iron cycle - Wikipedia

    en.wikipedia.org/wiki/Iron_cycle

    Iron reaches the atmosphere through volcanism, [8] aeolian activity, [9] and some via combustion by humans. In the Anthropocene, iron is removed from mines in the crust and a portion re-deposited in waste repositories. [4] [6] The iron cycle (Fe) is the biogeochemical cycle of iron through the atmosphere, hydrosphere, biosphere and lithosphere.

  6. Biological roles of the elements - Wikipedia

    en.wikipedia.org/wiki/Biological_roles_of_the...

    The remaining elements found in living things are primarily metals that play a role in determining protein structure. Examples include iron, essential to hemoglobin; and magnesium, essential to chlorophyll. Some elements are essential only to certain taxonomic groups of organisms, particularly the prokaryotes.

  7. When Is the Best Time of Day to Take Iron Supplements? - AOL

    www.aol.com/lifestyle/best-time-day-iron...

    Then follow this guide on when to take iron supplements to maximize absorption. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ...