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    Unit 2 Vocabulary

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    api-233567721
    This document defines key vocabulary terms for Unit 2 - Chemistry of Life. It defines terms like atom, molecule, monomer, carbohydrate, enzyme, protein, nucleic acid, pH, concentration, and others. It explains that atoms are the smallest unit of an element, molecules are composed of two or more atoms, and macromolecules like carbohydrates, nucleic acids, lipids and proteins are polymers made of monomers. It also defines concepts like adhesion, cohesion, specific heat, and concentration.

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    Unit 2 Vocabulary

    Uploaded by

    api-233567721
    47 views2 pages
    This document defines key vocabulary terms for Unit 2 - Chemistry of Life. It defines terms like atom, molecule, monomer, carbohydrate, enzyme, protein, nucleic acid, pH, concentration, and others. It explains that atoms are the smallest unit of an element, molecules are composed of two or more atoms, and macromolecules like carbohydrates, nucleic acids, lipids and proteins are polymers made of monomers. It also defines concepts like adhesion, cohesion, specific heat, and concentration.

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    unit 2 vocabulary

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    This document defines key vocabulary terms for Unit 2 - Chemistry of Life. It defines terms like atom, molecule, monomer, carbohydrate, enzyme, protein, nucleic acid, pH, concentration, and others. It explains that atoms are the smallest unit of an element, molecules are composed of two or more atoms, and macromolecules like carbohydrates, nucleic acids, lipids and proteins are polymers made of monomers. It also defines concepts like adhesion, cohesion, specific heat, and concentration.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    47 views2 pages

    Unit 2 Vocabulary

    Uploaded by

    api-233567721
    This document defines key vocabulary terms for Unit 2 - Chemistry of Life. It defines terms like atom, molecule, monomer, carbohydrate, enzyme, protein, nucleic acid, pH, concentration, and others. It explains that atoms are the smallest unit of an element, molecules are composed of two or more atoms, and macromolecules like carbohydrates, nucleic acids, lipids and proteins are polymers made of monomers. It also defines concepts like adhesion, cohesion, specific heat, and concentration.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    Unit 2 Chemistry of Life

    Vocabulary
    Adhesion: The intermolecular attraction between unlike molecules.
    Capillary action results from the adhesive properties of water and the
    molecules that make up plant cells.
    Atom: The smallest unit of an element that retains the chemical
    properties of that element.
    Carbohydrate: A macromolecule that contains atoms of carbon,
    hydrogen, and oxygen in a 1:2:1 ratio and serves as a major source of
    energy for living organisms (e.g. sugars, starches, and cellulose).
    Cohesion: The intermolecular attraction between like molecules.
    Surface tension results from the cohesive properties of water.
    Concentration: The measure of the amount or proportion of a given
    substance when combined with another substance.
    Enzyme: A protein that increases the rate of a chemical reaction
    without being changed by the reaction; an organic catalyst.
    Macromolecule: A polymer with a high molecular mass. Within
    organisms there are four main groups: carbohydrates, nucleic acids,
    lipids, and proteins.
    Molecule: The smallest particle of a substance that retains the
    chemical and physical properties of the substance and is composed of
    two or more atoms held together by chemical forces.
    Monomer: A molecule of any compound that can react with other
    molecules of the same or different compound to form a polymer. Each
    biological macromolecule has characteristic monomers.
    Nucleic Acid: A biological macromolecule (DNA or RNA) composed of
    the elements C, H, N, O, and P that carries genetic information.
    Organic molecule: A molecule containing carbon that is a part of or
    produced by living systems.
    pH: The measure of acidity or alkalinity (basicity) of an aqueous
    solution scaling from 1 (highly acidic) to 14 (highly alkaline) with a
    midpoint of 7 (neutral).
    Protein: A macromolecule that contains carbon, hydrogen, oxygen,
    and nitrogen; performs a variety of structural and regulatory functions
    for cells.

    Unit 2 Chemistry of Life


    Vocabulary
    Specific heat: The measure of the heat energy required to increase
    the temperature of a unit quantity of a substance by a certain
    temperature interval

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