Openstax Anatomy and Physiology Chapter 2 Questions and Correct Answers/ Latest Update / Already Graded

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Openstax Anatomy and Physiology
Chapter 2 Questions and Correct
Answers/ Latest Update / Already
Graded
Acid


Ans: Compound that releases hydrogen ions (H+) in solution




Activation Energy


Ans: Amount of energy greater than the energy contained in the

reactants, which must be overcome for a reaction to proceed




Adenosine Triphosphate (ATP)


Ans: Nucleotide containing ribose and an adenine base that is essential

in energy transfer




Amino Acid

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Ans: Building block of proteins; characterized by an amino and carboxyl

functional groups and a variable side-chain




Anion


Ans: Atom with a negative charge




Atom


Ans: Smallest unit of an element that retains the unique properties of that

element




Atomic Number


Ans: Number of protons in the nucleus of an atom




Base


Ans: Compound that accepts hydrogen ions (H+) in solution




Bond

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Ans: Electrical force linking atoms




Buffer


Ans: Solution containing a weak acid or a weak base that opposes wide

fluctuations in the pH of body fluids




Carbohydrate


Ans: Class of organic compounds built from sugars, molecules containing

carbon, hydrogen, and oxygen in a 1-2-1 ratio




Catalyst


Ans: Substance that increases the rate of a chemical reaction without

itself being changed in the process




Cation


Ans: Atom with a positive charge