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5- Protein Structure and Function

Terms in this set (57)

What are the building blocks of proteins?
Amino acids
What is the smallest protein consisting of only 20 amino acids?
Trp Cage
What is the largest proteins consisting pf about 27,000-35,000 amino acids?
Titin (connectin)
How many amino acids are used by cells to make proteins?
20
What are the three parts of an amino acid?
Amino group
Carboxylic group
Side chain (R)
Do all amino acids have the same (R) side chains?
No
Amino acids that cannot be synthesized by the given organisms and need to be obtained from the diet
Essential amino acids
What type of bonds link amino acids together to make a polypeptide?
Peptide bonds
What is the name of the end of the polypeptide chain with the amino group?
N terminal
What is the name of the end of the polypeptide chain with the carboxylic group?
C terminal
Process that proteins go through to form the correct conformation of peptides
Protein folding
What are the protein structures?
Primary
Secondary
Tertiary
Quaternary
Which protein structure involves a specific sequence of amino acids in a protein?
Primary structure
What determines the sequence of amino acids in the primary structure of proteins?
Nucleotide sequence in mRNA
What are the two types of protein secondary structure?
a helix
B pleated sheet
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