Biology Dictionary

  • Mitochondrial DNA (mtDNA)

    Mitochondrial DNA (mtDNA)

    The genetic material found in mitochondria, inherited maternally and distinct from nuclear DNA.

  • Mitochondrion (plural mitochondria)

    Mitochondrion (plural mitochondria)

    An organelle in eukaryotic cells that produces ATP, involved in energy production and cellular metabolism.

  • ML

    ML

    Abbreviation for milliliter, a unit of volume in the metric system.

  • MM

    MM

    Abbreviation for millimeter, a unit of length in the metric system.

  • Mode

    Mode

    The value that appears most frequently in a set of data or the most common behavior in a population.

  • Moderator

    Moderator

    A substance that slows down the speed of neutrons in nuclear reactions, often used in nuclear reactors.

  • Molar

    Molar

    Referring to the concentration of a substance in a solution, expressed in moles per liter.

  • Molarity (M)

    Molarity (M)

    A measure of the concentration of a solute in a solution, expressed in moles per liter.

  • Mold

    Mold

    A type of fungus that grows in multicellular filaments, often found on decaying organic matter.

  • Mole (mol)

    Mole (mol)

    A unit in chemistry representing 6.022 x 10²³ particles of a substance (Avogadro’s number).