BIO 210 - Final Exam Review Already Rated A+
What is physiology? - The study of function.
What is anatomy? - The study of structure.
What are the levels of structural organization? - Atom (chemical), Molecule (chemical), Cell, Tissue, Organ, Organ System, Organism.
What is homeostasis? - Th...
BIO 210 - Final Exam Review Already Rated A+
What is physiology?
- The study of function.
What is anatomy?
- The study of structure.
What are the levels of structural organization?
- Atom (chemical), Molecule (chemical), Cell, Tissue, Organ, Organ System, Organism.
What is homeostasis?
- The maintenance of a stable internal environment regardless of external conditions.
What is a negative feedback mechanism?
- Most feedback mechanisms are this type, such as regulating body temperature, blood pressure, and
blood glucose.
What is metabolism?
- All the chemical reactions that occur in our body cells.
,What is catabolism?
- The breakdown of complex molecules into simpler ones (catabolic reaction).
What is anabolism?
- The building up of complex molecules from simpler ones.
What is ATP?
- A form of energy used by all reactions in cells, made in the mitochondria.
What is the atomic number?
- The number of protons, which is always the same as the number of electrons.
What is the atomic mass?
- The decimal number that represents the total number of protons and neutrons; subtracting the
number of protons gives the number of neutrons.
What are ionic bonds?
- The transfer of one or more electrons.
, What is an anion?
- A negatively charged ion that gains one or more electrons.
What is a cation?
- A positively charged ion that loses one or more electrons.
What is a covalent bond?
- A bond where electrons are shared.
What are the two types of covalent bonds?
- Polar (unequal sharing of electrons) and Nonpolar (equal sharing of electrons).
Which four elements make up 96% of the human body?
- Oxygen, hydrogen, carbon, and nitrogen.
What is pH?
- The measure of acid-base concentration; homeostasis of acid-base balance is regulated by chemicals
called buffers.
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