Ch. 2 - Biochemistry Basics

Norman-McKay- Microbiology: Basic and Clinical Principles 2nd Edition

Norman-McKay2nd EditionMicrobiology: Basic and Clinical PrinciplesISBN: 9780137661619Not the one you use?Change textbook

Norman-McKay 2nd Edition

Ch. 2 - Biochemistry Basics

Problem 9

Chapter 2, Problem 9

In each of the following reactions, identify the products and reactants, and state what class of reaction is shown.

Verified step by step guidance

Step 1: Carefully observe the given chemical reaction to identify the substances on the left side of the reaction arrow as reactants and those on the right side as products.

Step 2: Write down the names or formulas of the reactants and products separately to clearly distinguish them.

Step 3: Analyze the changes occurring from reactants to products, such as bond formation or breaking, addition or removal of atoms or groups, or rearrangement of molecules.

Step 4: Based on the observed changes, classify the reaction into one of the common classes in microbiology-related chemistry, such as hydrolysis, condensation, oxidation-reduction, substitution, or polymerization.

Step 5: Summarize your findings by stating the reactants, products, and the class of reaction, explaining briefly why the reaction fits that category.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Reactants and Products in Chemical Reactions

Reactants are the starting substances in a chemical reaction, while products are the substances formed as a result. Identifying these components is essential to understand the direction and outcome of the reaction.

Classification of Chemical Reactions

Chemical reactions are categorized into classes such as synthesis, decomposition, single replacement, double replacement, and combustion. Recognizing the type helps predict reaction behavior and products.

Balancing Chemical Equations

Balancing ensures the law of conservation of mass is followed by having equal numbers of each atom on both sides of the equation. This is crucial for accurately representing the reaction and understanding stoichiometry.

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Chemical Reactions

Related Practice

Textbook Question

Acids donate _______________________ to an aqueous solution, which will lead to a(n) _______________________ in pH. In contrast, bases donate _______________________ to an aqueous solution and will _______________________ the pH. The pH of a solution with more OH⁻

than H⁺ will have a(n) _______________________ pH.

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Textbook Question

Indicate the true statements and then correct the false statements so that they are true.

a. Isotopes are atoms with differing numbers of protons and the same number of neutrons.

b. A cation is a positive ion.

c. Redox reactions create ions.

d. Equal sharing of electrons leads to polar covalent bonds.

e. Ions are charged atoms.

f. CO₂ is an inorganic molecule.

g. Isomers have the same molecular formula but different structures.

h. Adding a base to a solution will decrease the pH.

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Textbook Question

Write the molecular formula for a substance that contains two oxygen molecules, two carbons, and four hydrogen atoms. Be sure to follow the standard conventions of writing molecular formulas.

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Textbook Question

Label the features of the periodic table box:

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Textbook Question

The notation ¹⁸O denotes a(n)

a. Isomer.

b. Isotope.

c. Dipole.

d. Ion.

e. Reaction.

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Textbook Question

Complete the table:

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