Question 1

Which of the following is NOT considered a biological macromolecule polymer?

Accepted Answer

Lipids

Question 2

What is the primary function of nucleic acids in cells?

Accepted Answer

Storing and transmitting genetic information

Question 3

Which of the following best describes a monomer?

Accepted Answer

A single subunit that can join with others to form a polymer

Question 4

During the breakdown of polymers in cells, which type of reaction occurs?

Accepted Answer

Hydrolysis

Question 5

Which of the following elements are most commonly found in living organisms?

Accepted Answer

Carbon, Hydrogen, Oxygen, Nitrogen

Question 6

A nucleotide, the monomer of nucleic acids, is composed of which three components?

Accepted Answer

A sugar, a phosphate group, and a nucleobase

Question 7

Which process is used in molecular biology to amplify DNA outside of a cell?

Accepted Answer

Polymerase Chain Reaction (PCR)

Question 8

What is the correct order of information flow according to the central dogma of molecular biology?

Accepted Answer

DNA $$\rightarrow$$ RNA $$\rightarrow$$ Protein

Question 9

Which of the following statements about DNA and RNA secondary structure is TRUE?

Accepted Answer

DNA forms double-stranded helices via hydrogen bonding between nucleobases

Question 10

Which enzyme is responsible for speeding up the assembly and breakdown of polymers in biological systems?

Accepted Answer

Enzyme

Question 11

Adenosine Triphosphate (ATP), when used as energy, typically gets converted to:

Accepted Answer

Adenosine Diphosphate (ADP)

Question 12

Which of the following best explains why an enzyme is considered a biological catalyst?

Accepted Answer

It speeds up chemical reactions without being consumed

Question 13

Which of the following is a correct description of a dehydration reaction?

Accepted Answer

A reaction that joins monomers to form polymers by removing water

Question 14

If a mutation occurs in the DNA sequence, what is the most likely immediate effect?

Accepted Answer

A change in the protein produced

Question 15

Which of the following best describes the relationship between a polymer and its monomers?

Accepted Answer

Monomers are joined together to form polymers by dehydration reactions

Question 16

Which of the following is TRUE regarding the structure of nucleic acids?

Accepted Answer

Nucleic acids are made of repeating nucleotide monomers

Question 17

Which of the following is a real-world application of the Polymerase Chain Reaction (PCR)?

Accepted Answer

Amplifying DNA from a crime scene for forensic analysis

Question 18

Which of the following best explains Chargaff's rules?

Accepted Answer

The percentage of adenine equals the percentage of thymine in DNA

Question 19

Which of the following is a consequence of the secondary structure of DNA?

Accepted Answer

It allows for complementary base pairing and double helix formation

Question 20

Which of the following is the correct chemical equation for the hydrolysis of a polymer?

Accepted Answer

$$	ext{Polymer} + 	ext{H}_2	ext{O} ightarrow 	ext{Monomer}_1 + 	ext{Monomer}_2$$

General Biology: Cells and Biological Macromolecules (Nucleic Acids Focus)

Study Guide - Practice Questions