Flashcards
Enzymes BSC 1005L
Flashcards do conjunto (8)
- 1What is an enzyme?Type of protein that accelerates a chemical reaction
- 2What are the five features of enzymes?1. They don't make anything happen that wouldn't happen on its own.
2. No organism can survive without them.
3. One enzyme can be reused w/o changing.
4. One enzyme can usually be used for both forward and reverse reactions.
5. Each enzyme is highly selective of its substrate. - 3What are two things that affect the rate of enzyme reactions?1. Temperature (can destroy enzymes)
2. pH (most around 7) - 4What is activation energy and how is it affected by enzymes?The amount of energy needed to start reactions can be lowered by enzymes, resulting in a faster reaction rate.
- 5What is a substrate?The substance an enzyme acts upon.
- 6Active SiteArea of the enzyme that binds to the substrate.
- 7How do cells regulate enzyme activity?1. Controlling the amount of the enzyme.
2. Converting the enzyme from inactive to active.
3. Feedback inhibition: activity inhibited by amount of product - 8—
Informações
- Descrição
- Functions and structure of enzymes.
- Criado por
- Sophia Hand
- Visualizações
- 15
- Tags
- Avaliação