Protein Functions Flashcards
What is the 1. monomer 2. polymer 3. Covelent bond for a protein
- Amino Acid
- Polypeptide
- Peptide Bond
Proteins account for more than ____% of the dry mass of most cells
50%
What are the 10 functions of proteins?
- Enzymes
- Defense
- Storage
- Transport
- Hormonal
- Receptor
- Contractile/Motor
- Structural
- Regulation
- Adhesion
What is the function of an enzyme?
Selective acceleration of chemical reactions
What do enzymes tend to end with?
-ase
What is an example of an enzyme?
Polymerase or hydrolase
What is the function of a defense protein?
Protect against disease
What is an example of a defense protein?
Lysozyme
What is the function of a receptor protein?
Response of cell to chemical stimuli
Describe a receptor protein
Two proteins working together and bind to foreign objects and warn cell about invasion
What is an example of a receptor protein?
Toll-like receptors
What is the function of a regulator protein?
Gene Expression
What is an example of a regulator protein?
NF-KB
What is the function of movement proteins?
Movement of or within the cell
What kind of proteins make up movement proteins?
Contractile and motor proteins
What is an example of a movement protein?
Flagella or Actin/Myosin
What is the function of adhesion proteins?
Attaching to surfaces or other cells
What is an example of an adhesion protein?
Bacterial adhesins
What is the function of transport protiens?
Movement of substances
What is an example of a transport protein?
Hemoglobin
What is the function of a hormonal protein?
Coordination of an organisms activites
What is an example of a hormonal protein?
Insulin
What is the function of a storage protein?
Store amino acids
What is an example of a storage protein?
Casein
What is the function of a structural protein?
Provide support
What is an example of a structural protein?
`Keratin