Substrate (Biology) — Definition & Role
Read this topicExplanations 4
- Active Sites Enzymes have a specific location where reactants are brought together to react. These reactants are called substrates and the specific binding location is called th…
By Deena Hauze, Alex Federspiel, Mario Janakis, Gabi Slizewska, Jonathan Heller
- Reactants and Enzymes In an enzyme-catalyzed reaction, the term substrate means the same thing as reactant. A reactant is the material that is used up in the reaction. Substrate…
By Aaron Lauer, Deena Hauze, Mario Janakis, Alex Federspiel, Gabi Slizewska, Valeri Natole
- How Do Enzymes Work With Reactants? An enzyme acts to catalyze or speed up a chemical reaction. To look at how this is done, we'll need to keep some important terms in mind: Her…
By Hannah Bonville, Alex Federspiel, Mario Janakis, Gabi Slizewska, Valeri Natole
- (Video) How Enzymes Work by RicochetScience Substrates, active sites, enzyme-substrate complexes... There are lots of terms involved in enzymatic reactions. This short video giv…
By Valeri Natole, Mario Janakis
Problems 22
- Which of the following best describes the role of substrates in a biological reaction? Image Sources: A: By Werneuchen [Public domain], via Wikimedia Commons B: By Evan-Amos (Ow…
- When a substrate is in an active site, what happens?
- Which of these arrows point to the substrates?
- In this reaction what molecules would be considered the substrates? Glucose+ Glucose ⟶ Sucrose + Water\text{Glucose+ Glucose \longrightarrow Sucrose + Water}Glucose+ Glucose ⟶ S…
- Which of the following statements is false?
- Which numbered portion of the image above shows the substrate of an enzyme-catalyzed reaction?
- Which of the statements below is correct?
- Carefully examine the enzyme shown above. Which of the following substrates would be able to bind to the enzyme?
- Examine the enzyme-substrate complex shown above. What will the active site look like after the substrate is turned into product?
- Substrates form new substances called woah‾\underline{\phantom{woah}}woah.
- Fireflies' glow is possible due to firefly luciferase, a protein in firefly cells. Another molecule fits into a specific spot on firefly luciferase, causing a reaction that rele…
- Imagine the purple enzyme pictured above is real. Which of these molecules is most likely its substrate?
- Which of the above shows the correct relationship between substrates, enzymes, and products?
- woah‾\underline{\phantom{woah}}woah bind to the woah‾\underline{\phantom{woah}}woah woah‾\underline{\phantom{woah}}woah of an enzyme.
- Substrate is to catalyzed reaction, as reactant is to woah‾\underline{\phantom{woah}}woah.
- A lock and key are often used as a model for enzyme function. Why is this an appropriate comparison?
- Which of the following is false when considering enzyme-catalyzed reactions?
- A common industrial catalyst is iron. Iron is used in a reaction with nitrogen and hydrogen to make ammonia. In this reaction what is/are the product(s)?
- Study the picture above for enzyme catalyzed reaction. Which of the following statements is true?
- What does a substrate bind to during an enzyme catalyzed reaction?
- Consider the classic arcade game Pac Man. If we pretend Pac Man is an enzyme, what would be his substrate? All Images By OpenClipart-Vectors CC0, via pixabay.com 1, 2, 3, 4
- Enzyme X normally has a reaction rate of 500 units per minute. Molecule B is added to the cell culture. After a few minutes, the cell culture is observed and the reaction rate h…