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Biology
In Preparation for Bio exam
19
Biology
9th Grade
09/17/2015

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Term
Monomer:
Definition
Each Subunit in a Carbon Based Molecule Bonded in a chain like form is call a monomer.
Term
Polymer:
Definition
Is a large molecule made of many monomers bonded together. This term is also known as a Macro Molecule
Term
Carbohydrate:
Definition
Are molecules made of (C)Carbon, (H)Hydrogen, and (O)Oxygen. Examples: Sugars and Starch These both can be broken down to turn into energy!
Term
Lipid:
Definition
Are molecules that includes fats,coils, and cholesterol. Fun Fact: All Lipids are non polar therefore do NOT dissolve in water.Like Carbohydrates, most Lipids are also made up of (C)Carbon, (H)Hydrogen, and (O)Oxygen atoms.
Term
Fatty Acid:
Definition
Are chains of carbon bonded to hydrogen atoms.
Term
Protein:
Definition
Is a polymer made of monomers called amino acids
Term
Amino Acid:
Definition
Are molecules that contain (C)carbon, (O)Oxygen, (H)Hydrogen, (N)Nitrogen and sometimes sulfur. Fun Fact: Organisms use 20 different amino acids in which your body naturally can make 12 of them in turn you eat the other 8 in meats, beans, and nuts. Amino Acids Bonded= Protein
Term
Nucleic Acid:
Definition
Are polymers that are made up of monomers called nucleotides. a Sugar + a phosphate group + a nitrogen-containing molecule called a base = a Nucleotide
Nucleic Acids are the instruction manuals for how to make proteins.
Term
Adhesive:
Definition
The binding of a cell to another cell, or a cell to a surface, via specific cell adhesion molecules
Term
Covalent Bond:
Definition
a bond between two or more atoms that is provided by electrons that travel between the atoms nuclei, holding them together but keeping them a stable distance apart. sharing electrons between two or more atoms
Term
Ionic Bond:
Definition
a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion.
Term
Hydrogen Bond:
Definition
A type of chemical bond that is formed when the slightly positive hydrogen atom of a polar covalent bond forms an electrostatic link with the more electreonegative atom of a polar covalent bond in the same or another molecule
Term
Nucleus:
Definition
The large, membrane-bounded organelle that contains the genetic material, in the form of multiple linear DNA molecules organized into structures called chromosomes.
Term
Orbital:
Definition
Pertaining to the orbit, which is the bony cavity containing the eyeball
Term
Atom:
Definition
The smallest unit of matter indivisible by chemical means.
Term
Atomic Mass Number:
Definition
The mass of an atom relative to other atoms
Term
Carbon Based Molecules 3 Structures:
Definition
Straight Chains, Branched Chains and rings
Term
Polysaccharides
Definition
Many glucose molecules bonded together form polymers such as starch and cellulose
Term
Starches
Definition
Are Carbohydrates made by plants
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