Question

enzyme summary learning - part i diagram: enzyme, substrate, product, active site matching - part ii write the definition of the word. use your vocabulary guide.
vocabulary word | definition
substrate |
active site |
specificity |
decomposition |
product |
enzyme |

multiple choice - part iii (honors or cpb2 class content summer course)

1. enzyme: option
2. what job will something called catalyst help a reaction? options
3. what temperature if you put an enzyme in a temperature blank to slow down or stop? options: 0°c, ...
4. refer to the blank for the blank chosen on the graph? options
5. refer to the blank that blank the enzyme from your blank lab? options

short answer - part iv
write or draw a labeled diagram to answer the question.
macromolecules blank are built by blank (condensation/hydrolysis)? blank a blank reaction or a blank reaction to build a blank. explain why.

Answer:

To solve the vocabulary matching (Part II) for the given terms, we use standard definitions from Biology (specifically Biochemistry, related to enzyme - catalyzed reactions):

Substrate

Step 1: Recall the definition

A substrate is the molecule (or molecules) upon which an enzyme acts. In a chemical reaction catalyzed by an enzyme, the substrate is the reactant that binds to the active site of the enzyme.
Definition: The molecule(s) that an enzyme acts on; the reactant in an enzyme - catalyzed reaction.

Active Site

Step 1: Recall the definition

The active site is a specific region of an enzyme. It has a unique three - dimensional structure that is complementary to the substrate's structure. Enzymes bind their substrates at the active site.
Definition: The specific region of an enzyme where the substrate binds and the catalytic reaction occurs.

Specificity

Step 1: Recall the definition

Enzyme specificity refers to the ability of an enzyme to recognize and bind to only a specific substrate (or a very limited number of structurally related substrates). This is due to the precise fit between the enzyme's active site and the substrate.
Definition: The property of an enzyme to act on a specific substrate (or a narrow range of substrates) because of the complementary fit between the enzyme's active site and the substrate.

Decomposition

Step 1: Recall the definition

In the context of enzyme - catalyzed reactions, decomposition (or catabolism in some cases) is a type of chemical reaction where a larger molecule is broken down into smaller molecules. Enzymes can catalyze decomposition reactions, for example, amylase breaks down starch (a large polysaccharide) into smaller sugar units.
Definition: A chemical reaction (often enzyme - catalyzed) in which a complex molecule is broken down into simpler molecules.

Product

Step 1: Recall the definition

In an enzyme - catalyzed reaction, the product is the molecule (or molecules) that are formed as a result of the reaction between the substrate and the enzyme. After the enzyme catalyzes the reaction at its active site, the substrate is converted into the product.
Definition: The molecule(s) formed as a result of an enzyme - catalyzed (or any) chemical reaction.

Enzyme

Step 1: Recall the definition

An enzyme is a biological catalyst, usually a protein (although some RNA molecules can act as enzymes, called ribozymes). Enzymes speed up chemical reactions in living organisms by lowering the activation energy of the reaction without being consumed in the process.
Definition: A biological catalyst (usually a protein) that speeds up chemical reactions in cells by lowering the activation energy, without being permanently altered in the process.

Part III (Short Answer)

Step 1: Recall the types of reactions

Macromolecules like proteins, carbohydrates, and nucleic acids are built through condensation (dehydration synthesis) reactions. In a condensation reaction, when two monomers (smaller units) are joined together to form a polymer (macromolecule), a molecule of water is removed. For example, when two amino acids (monomers of proteins) are joined to form a dipeptide, a water molecule is released. The reverse of this reaction, where a macromolecule is broken down into monomers, is called hydrolysis, where a water molecule is added to break the bond between monomers.
So, the type of reaction used to build macromolecular polymers from monomeric building blocks (by removing a water molecule) is a condensation (dehydration synthesis) reaction. The reverse reaction (breaking down the polymer into monomers) is hydrolysis.

Part I (Diagram - Enzyme - Substrate - Product)

Step 1: Identify the components

In an enzyme - catalyzed reaction diagram:

• The enzyme is the protein (or RNA) molecule with the active site.
• The substrate is the molecule that binds to the enzyme's active site.
• The product is the molecule formed after the reaction.
• The process: Substrate binds to the enzyme's active site (enzyme - substrate complex), the reaction occurs, and then the product is released from the enzyme.

If we assume the diagram has labels for enzyme, substrate, product, and the reaction steps:

• The "Enzyme" is the catalyst (the protein - like structure).
• "Substrate" is the molecule that fits into the enzyme's active site.
• After the reaction, the "Product" is the molecule that is released from the enzyme. The empty enzyme is then ready to bind another substrate molecule.

For the multiple - choice questions (Part I - Limited Choice):
Since the specific questions are not fully legible, but based on typical enzyme - related multiple - choice questions:

1. If the question is about what an enzyme does to a reaction, the answer is that it lowers the activation energy (speeds up the reaction).
2. If the question is about the role of the active site, the answer is that it is the region where the substrate binds and the reaction occurs.
3. If the question is about enzyme specificity, the answer is related to the enzyme's ability to bind only specific substrates.
4. For questions about the graph of enzyme activity (e.g., effect of temperature, pH), the correct graph would show an optimal range (e.g., for temperature, enzyme activity increases with temperature up to an optimal temperature, then decreases as the enzyme denatures).
5. For questions about the type of molecule an enzyme is (usually protein, sometimes RNA), the answer is protein (or ribozyme for RNA - based enzymes).
6. For questions about the molecule that an enzyme acts on, the answer is substrate.

Final Answers (for Part II - Vocabulary)

• Substrate: The molecule(s) that an enzyme acts on; the reactant in an enzyme - catalyzed reaction.
• Active Site: The specific region of an enzyme where the substrate binds and the catalytic reaction occurs.
• Specificity: The property of an enzyme to act on a specific substrate (or a narrow range of substrates) because of the complementary fit between the enzyme's active site and the substrate.
• Decomposition: A chemical reaction (often enzyme - catalyzed) in which a complex molecule is broken down into simpler molecules.
• Product: The molecule(s) formed as a result of an enzyme - catalyzed (or any) chemical reaction.
• Enzyme: A biological catalyst (usually a protein) that speeds up chemical reactions in cells by lowering the activation energy, without being permanently altered in the process.

Final Answer (for Part III - Short Answer)

The reaction used to build macromolecular polymers from monomeric building blocks (by removing a water molecule) is a condensation (dehydration synthesis) reaction. The reverse reaction (breaking down the polymer into monomers) is hydrolysis.

(For the multiple - choice questions in Part I, the answers would depend on the specific options provided, but the above explanations can be used to determine the correct choices.)