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Chapters 4
Ch. 4
9
Biology
Undergraduate 2
01/28/2018

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Term
Water reaches its greatest density at
Definition
4 degrees C
Term
hydrophilic
What kind of Bonds
Definition
any substance that has an affinity for water
substances that are dominated by ionic or polar bonds
Term
hydrophobic
What kind of bonds
Definition
any substance that has no affinity for water
•substances dominated by non-ionic and nonpolar covalent bonds
Term
pH of blood
Definition
7.3 - 7.5
Term
Carbonic Acid & Bicarbonate Buffer System
Increases pH
Definition
H2CO3 ---> HCO3-+H+
Term
Carbonic Acid & Bicarbonate Buffer System
Decreases pH
Definition
HCO3-+H+ ---> H2CO3
Term
Amount of human-generated CO2 is absorbed by the oceans
Definition
25%
Term
tetravalence
Definition
the state of an atom with four valence electrons available for covalent chemical bonding in its outermost electron shell
Term
The cells primary energy-transferring molecule
Definition
ATP Adenosine triphosphate
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