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Biology
Undergraduate 1
02/07/2014
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Term
Quaternary structure
 Definition

Interaction between more than onetertiary folded proteins 

The 3 degree and 4 degree structures create proteins that are either: 

Globular: Folded in a round shape 

e/g/ hemoglobin 

Fibrous: Long strand or sheetsd 

E.g. keratin, collagen
Term
altered
 Definition
if a proteins shape is_____ then it can no longer function
Term
denaturation
 Definition
in the process of ______ a polypeptide chain unravels loses its shape and loses its function
Term
salt, concentration, or by high heat
 Definition
proteins can be denatured by changes in...
Term
Nucleic acids
 Definition

The amino acid sequence of a polypeptide is programmed by a discrete unit of inheritance known as a gene 

Genes consist of DNA (Deoxyribonecleic acid) a type of nucleic acid. 

DNA is inherited from an organisms parents 

DNA provides directions for its own replication. 

DNA programs a cells activities by directing the synthesis of proteins 

Two main types(polymer): Ribonucleuic acid (RNA) 

Deoxyribonucleic (DNA)
Term
Nucleotide and its structure
 Definition

Nucleic acids are made of nucleotides (monomers) 

Basic units of DNA and RNA
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