Enzymes In Biochemical Reactions — Role & Importance
Read this topicExplanations 5
- What Do Enzymes Do? Enzymes are biological catalysts that help our bodies perform chemical reactions, such as digesting food and absorbing oxygen. They are specialized proteins …
By Deena Hauze, Alex Federspiel, Gabi Slizewska, Mario Janakis, Valeri Natole
- What Are Enzymes? Biological molecules that change the rate of a chemical reaction are called catalysts. Enzymes are an example of catalysts. Because they are proteins, enzymes …
By Hannah Bonville, Alex Federspiel, Deena Hauze, Cam, Mario Janakis, Valeri Natole
- Biologic Catalysts You've probably heard of enzymes before, whether it was in school or somewhere else, like at the doctor's office. Some people even take digestive enzymes as h…
By Sylvia Freeman, Mario Janakis, Valeri Natole
- (Video) How Enzymes Work by RicochetScience Enzymes bind to a substrate to speed up a chemical reaction. The substrate binds at a region of the enzyme called the active site. Th…
By Gabi Slizewska
- (Video) Enzymes by Amoeba Sisters Enzymes are organic molecules that often act as catalysts. These molecules speed up reactions in the body. For example, the enzyme lactase help…
By Mario Janakis
Problems 28
- What do enzymes do?
- Enzymes are what kind of biological structure? (Select all that apply)
- According to the graph above, what is the optimum temperature for Enzyme X?
- Which of the following is most likely an enzyme?
- Which of the characteristics listed above are true of enzymes?
- What would most likely happen to creatinine kinase if it were transferred to the stomach, where pH=2.3?
- Which of the following choices correctly identify each part of the picture above?
- The enzyme would most likely catalyze a reaction involving:
- Which enzyme has the most acidic optimum pH?
- Shown above is an enzyme with three possible substrates. Which substrate will most likely interact with the enzyme's active site to catalyze the reaction?
- Pepsin is a digestive enzyme that functions in the stomach to break down protein. Which of the following conditions could stop Pepsin from working? Check all that apply.
- Which of the following is true of the enzyme after the reaction takes place?
- What would happen if the enzyme was removed from the environment?
- Lactase is an enzyme that aids in the digestion of lactose, a sugar which is found in milk. Which of the following polymers would be classified as the same macromolecule as lact…
- In the above graph, which curve represents the chemical reaction without an enzyme?
- This purple enzyme has an active site for the green triangle. The enzyme concentration does not change, but suddenly the amount of substrate doubles. How does this affect the ra…
- Which of the following best describes an enzyme's role?
- A scientist notices that as temperature increases, the rate at which an enzyme catalyzes a reaction decreases. Which statement best describes how a change in temperature can aff…
- Which of these substrates is this enzyme most likely specific for?
- Which of the following is most likely an enzyme?
- What would happen if a mutation caused a change in an enzyme's active site?
- Why can't lactose intolerant people eat things with high amounts of lactose in them, like milk or cheese?
- An enzyme is a(n) biologicalcatalyst‾\underline{\phantom{biological catalyst}}biologicalcatalyst
- Enzymes are composed of aminoacids‾\underline{\phantom{amino acids}}aminoacids
- Catalase is an enzyme that facilitates the decomposition of hydrogen peroxide into water and dioxygen. Select the true statements about catalase.
- How do enzymes speed up the rate of a reaction?
- You are doing an experiment regarding enzyme catalyzation of a reaction, and have three petri dishes with identical solutions of enzyme and substrate. You keep Sample 1 at body …
- A reaction is catalyzed by an enzyme. As the temperature rises, it is observed that the reaction becomes faster and faster until some critical temperature, TcT_{c}Tc. At this t…