Proteins Flashcards
(18 cards)
What does the order of amino acids control?
Structure and function of proteins
What are the 5 key functions of proteins in the body? 💪
Structural
Hormones
Antibodies
Receptors
Enzymes
What do structural proteins do?
Provide a framework
Produce body structures
What are 2 examples of structural proteins?
Collagen (skin)
Keratin (Hair and nails) 💅
Why are antibodies important?
Major part of the immune system
How to hormones control various processes?
Transport chemical messages around the body
What are 2 examples of hormones?
Insulin
Glucagon
What do receptors on the cell membrane do?
Allow signals to be detected
What type of signals do receptors on the cell membrane detect?
Hormones
Why are enzymes needed?
To speed up chemical reactions
What are enzymes?
Biological catalysts
What do enzymes have? (Hint: particular)
Particular substrate
Particular product
Why do enzymes only work with one substrate?
Has a specific active site
What is formed when an enzyme and substrate join together?
Enzyme-substrate complex
What are 2 types of enzyme reaction?
Synthesis
Degradation
What happens to enzymes at a high temperature or pH?
Denatured
What happens to a denatured enzyme?
No longer able to function
Active site loses shape
When does an enzyme work best?
Optimum temperature
Optimum pH
