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ORHS Freshman Honors Bio CH 5
N/A
49
Biology
9th Grade
10/06/2008

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Term
Carbon has __ electrons in highet occupied energy level.
Definition
4
Term
The energy level can hold __ electrons
Definition
8
Term
Carbon can form up to __ bonds with other atoms
Definition
4
Term
Each carbon atom is a connecting point from which other atoms can break off into __ drections
Definition
4
Term
Carbon can form bonds with __ other carbon atoms, producing an endless variety of ___
Definition
1, carbon skeletons
Term
___ are carbon based mocules
Definition
Organic Molecules
Term
Non-carbon-based molecules are ___
Definition
Inorganic Molecules
Term
Some examples of inorganic molecules are:
Definition
H2O, O2, and ammonia
Term
__ may also bond with atoms of other elements
Definition
Carbon
Term
Energy-storing __ molecules containing long ___ chains
Definition
fat, hydrogen
Term
Atoms frequently found in orgnic molecules are:
Definition
Oxygen and Nitrogen
Term
A ____ is a group of atoms within a molecule that interacts in pedictable ways with other molecules
Definition
Functional Group
Term
Hydrophilic
Definition
attract water molecules (water loving)
Term
Monomers
Definition
small molecular units
Term
Polymers
Definition
Straight chains of monomers
Term
Name the 4 categories of large molecules
Definition
Carbohydrates, lipids, proteins, and nucleic acids
Term
For each monomer added to the chain a _ is released. This is called:
Definition
Water molecules, Dehydration reaction
Term
Hydrolysis reaction
Definition
Add water to break binds
Term
Organic compound made of sugar molecules
Definition
Carbohydrate
Term
Sugar contains elements of these 3
Definition
Oxygen, Hydrogen, and Carbon
Term
Simple sugars that contain 1 sugar
Definition
monosaccarides
Term
Monosaccarides made up of__, ___, and___
Definition
Glucose, frctose, and galactose
Term
Sugar main fuel supply for ___ work
Definition
cellular
Term
Double sugar (most commmon sucrose)
Definition
disaccaride
Term
Long polymer chains made up of simple monomers
Definition
Polysaccarides
Term
Found in plant cells and consists of glucose monomers
Definition
Starch
Term
Chain of many glucose monomers
Definition
Glycogen
Term
Building materiales in plants
Definition
Cellulose
Term
Include fats and steroids
Definition
Lipids
Term
Hydrophobic and act as boundaries
Definition
Lipids
Term
___ consists of a 3-carbon backbone called glycerol attaches to 3 fatty acids, which condtain hydrogen chains
Definition
fat
Term
___ are fats at room temperature
Definition
oils
Term
____ is fatwhich all 3 fatty acid chains contain the maximum possible # of hydrogen atoms
Definition
Saturated fat
Term
Lard and butter are examples of _____
Definition
Saturated fats
Term
____ contains less than the maximum #> of hydrogen atoms almost in 1 or more of its fatty acid chains
Definition
Unsaturated fats
Term
Fats in fruits, vegetables, fish, and oils are examples of ____
Definition
Unsaturated fats
Term
Steroid
Definition
Lipid molecule in which carbon skeleton forms 4 fused rings
Term
Essentioal molecule found in membranes
Definition
Cholesterol
Term
Protein
Definition
a polymer constructed from a set of 20 kinds of monomers called amino acids
Term
Consists of central carbon atoms onded to 4 partners
Definition
Amino acids
Term
Chain where cells creat proteins by linking amino acids together in it
Definition
Polypeptide
Term
Proteins composed of 1+ polypeptide chains
Definition
Term
Proteins composed of __ polypeptide chains
Definition
1+
Term
Unfavorable chainge in tmperature, pH, or other quality of environment can cause protein to unravel and lose normal shape
Definition
Denaturation
Term
Activation energy
Definition
Start-up energy that triggers chemical reaction
Term
Compounds that speed up chemical reactions
Definition
catalysts
Term
enzymes
Definition
main catalyst of chemical reactions in organisms
Term
specific reactant acted upon by an enzyme
Definition
substrate
Term
Active site
Definition
where substrate fits into enzyme
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