Amino acids — definition?
Organic molecules with amino and carboxyl groups.
Peptide bond — formation?
Covalent bond between amino acids via dehydration synthesis.
Protein properties — roles?
Catalysis, support, transport, regulation.
Protein levels — order?
Primary, secondary, tertiary, quaternary.
Fibrous proteins — example?
Collagen and keratin, structural support.
Globular proteins — example?
Hemoglobin and enzymes, soluble and functional.
DNA — structure?
Double helix with antiparallel strands.
RNA — main function?
Protein synthesis and gene regulation.
Nucleotides — components?
Nitrogenous base, sugar, phosphate group.
Base pairing — rules?
A-T (2 H-bonds), G-C (3 H-bonds); U in RNA pairs with A.
ATP — role?
Cellular energy currency.
Vitamins — types?
Water-soluble and fat-soluble.
Coenzymes — function?
Assist enzymes in catalysis.
Denaturation — effect?
Loss of protein’s native structure and function.
Answer 7 questions on Fundamentals of Protein Structure and Function.
1. What type of chemical bond is formed between amino acids in a peptide bond, and how is it created?
2. What is an enzyme primarily characterized as?
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