Question 1

Which of the following best describes the general formula for alkanes?

Accepted Answer

$$C_nH_{2n+2}$$

Question 2

A student is given a sample containing both an aldehyde and a ketone. Which chemical test would best distinguish between these two functional groups?

Accepted Answer

Tollens' test

Question 3

Which of the following reactions is used in the synthesis of aspirin in the laboratory?

Accepted Answer

Esterification of salicylic acid with acetic anhydride

Question 4

Which of the following is the correct structure for a ketone functional group?

Accepted Answer

$$R-CO-R'$$

Question 5

During protein hydrolysis, which type of bond is broken?

Accepted Answer

Peptide bond

Question 6

Which of the following statements about aromatic compounds is TRUE?

Accepted Answer

They contain conjugated pi electrons in a cyclic structure

Question 7

A carbohydrate with the formula $$C_6H_{12}O_6$ is classified as which type of sugar?

Accepted Answer

Monosaccharide

Question 8

Which of the following is a product of the reaction between an alcohol and a carboxylic acid?

Accepted Answer

Ester

Question 9

Which enzyme is responsible for catalyzing the breakdown of starch into maltose?

Accepted Answer

Amylase

Question 10

Which of the following is the correct formula for the calculation of pH?

Accepted Answer

$$pH = -\log_{10}[H^+]$$

Question 11

A mutation in the DNA sequence that changes a codon from UUU to UUC will result in:

Accepted Answer

No change in the amino acid sequence (silent mutation)

Question 12

Which of the following is a characteristic of unsaturated hydrocarbons?

Accepted Answer

They contain at least one double or triple bond

Question 13

Which of the following best describes the role of enzymes in biochemical reactions?

Accepted Answer

They lower the activation energy required for the reaction

Question 14

Which of the following is the correct structure for a carboxylic acid functional group?

Accepted Answer

$$R-COOH$$

Question 15

Which laboratory technique would be most appropriate for separating a mixture of amino acids?

Accepted Answer

Paper chromatography

Question 16

Which of the following is a correct statement about nucleic acids?

Accepted Answer

DNA contains deoxyribose sugar, while RNA contains ribose sugar

Question 17

Which of the following is the correct formula for the hydrolysis of an ester?

Accepted Answer

$$RCOOR' + H_2O \rightarrow RCOOH + R'OH$$

Question 18

Which of the following is a function of body fluids in living organisms?

Accepted Answer

Transport of nutrients and waste products

Question 19

Which of the following is a product of the reaction between an amine and a carboxylic acid?

Accepted Answer

Amide

Question 20

Which of the following is the correct formula for the calculation of molarity?

Accepted Answer

$$M = \frac{n}{V}$$

Biochemistry Course Syllabus and Weekly Module Overview

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