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Biology Foundations I (BIOL-103) - Exam #1 - Proteins and Enzymes

Terms in this set (16)

central carbon, amino acid, R groups, carboxyl
What are the four central components of a protein's structure?
N-terminus
What do you call the start of a protein?
C-terminus
What do you call the end of a protein?
M (Methionine)
Which amino acid is at the start of each protein?
peptide bonds
In a protein, amino acids are joined together by what kind of bond?
alpha helices, beta sheets
What is a protein's secondary structure made of?
hydrogen bonds
What type of bond stabilizes alpha helices?
tertiary structure
Which protein structure involves the interactions ands bonds of side chain in 3D space within a particular protein?
catalyst
What do you call a molecule that participates in a reaction to speed it up? (looking for the general name)
proteins
Most enzymes are what kind of organic molecule?
specific, unaltered
Enzymes are ________________ for and ___________________ by a chemical reaction.
hydrogen bonds
What kind of bond forms BETWEEN amino acids in order to stabilize a protein's tertiary structure?
cofactor
What do you call a molecule that is usually a vitamin or ion that helps enzymes fold properly and holds the substrate properly to catalyze a reaction?
G=H-TS
What is the Gibbs free energy equation?
entropy (S)
In energetics, what do you call the chaos/disorder in a system?
Gibbs free energy
Enzymes lower a reaction's activation energy by lowering what?
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