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Biology Exam 1
Biology
17
Other
Undergraduate 4
12/13/2011

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Term
biochemicals can be defined as 
Definition
molecules and atoms found in living cells
Term
The tendency of an atom to attract electrons is called
Definition
electronegativty
Term
Hydrogen bonds are always found between
Definition
Hydrogen and a partially charged molecule
Term
An ___ is an atom that has given up an electron to eliminate a valence shell
Definition
ion
Term
In chemical reaction, 6co2 + 6H20 >> C6H12O6 + 6o2, the water and carbon dioxide molecule on the left are ____ and the glucose and oxygen molecules on the right are the products
Definition
Reactants
Term
Water's ability to bind to other compounds is an example of ____
Definition
Adhesion
Term
Organic molecules always contain which two elements
Definition
Carbon and Hydrogen
Term
List 3 types of chemical bonds in order of their srength
Definition
Covanent, Ionic, and Polar
Term
Dehydration synthesis or condensation reaction is _____
Definition
used to join monomers into large molecules
Term
NOT true of carbohydrates
Definition
glucose, starch, and protein
Term
NOT a polysaccharid
Definition
Galactose
Term
A fatty acid containing one double bond is ____
Definition
unsaturated
Term
Proteins are polymers of ____
Definition
amino acids
Term
A triglyceride is a glycerol molecule joined to _____
Definition
3 fatty acids
Term
most biological polymers are assembled through
Definition
condensation reaction (dehydration synthesis)
Term
A protein that experiences extreme temp or pH change may undergo a change or disruption in its structure called
Definition
Denaturation
Term
What are the molecular/structural differences between DNA and RNA
Definition

DNA - GCAT

RNA - GCAU

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