Copy of DNA Structure and Replication Questions (5/28/2026)

Last updated about 2 hours ago

18 questions

Note from the author:

Instructions

3.5

Copy of DNA Structure and Replication Questions (5/28/2026)

Last updated about 2 hours ago

18 questions

Note from the author:

Instructions

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Identify the labeled parts of the nucleotide for 9-11.

Identify a correct nucleotide in the image below.

3.5

a. In a single strand of DNA, the _______ on one nucleotide binds to the deoxyribose of the next nucleotide.

b. Chargaff's rules states that the DNA of any organism contains equal proportions of _______ and _______ and equal proportions of _______ and _______ (I have to regrade this).

c. Logical thinking using Chargaff's rules - In a strand of DNA, if the percentage of adenine was 20%, the percentage of guanine in the same strand must be _______ .

d. _______ bonds connect the nitrogen bases of one strand to the nitrogen bases of the other strand of DNA.

Why is DNA replication called semi-conservative?
I will have to grade this.

What does it mean that the two strands of DNA are complementary?
I will have to grade this.

Below is one-half of a DNA molecule. Create the complementary strand (USE UPPERCASE LETTERS).

A_______ 
T_______ 
G_______ 
C_______ 
A_______ 
A_______ 
A_______ 
T_______ 
T_______ 
G_______ 
C_______ 
T_______ 
C_______ 
A_______ 
C_______ 
C_______ 
G_______ 
G_______ 
G_______ 
G_______ 
A_______ 
T_______ 
C_______ 
A_______ 
G_______ 

Draggable item		Corresponding Item

Draggable item		Corresponding Item
Primase		Unwinds and separates the double-stranded DNA
DNA Helicase		Adds complementary nucleotides to a growing DNA strand
DNA Polymerase		Joins Okazaki fragments on the lagging strand
Topoisomerase		Synthesizes a short RNA primer
DNA Ligase		Relieves torsional strain ahead of the replication fork

Copy of DNA Structure and Replication Questions (5/28/2026)

Copy of DNA Structure and Replication Questions (5/28/2026)

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Identify a correct nucleotide in the image below.

Why is DNA replication called semi-conservative?
I will have to grade this.

What does it mean that the two strands of DNA are complementary?
I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Identify a correct nucleotide in the image below.

Why is DNA replication called semi-conservative?
I will have to grade this.

What does it mean that the two strands of DNA are complementary?
I will have to grade this.

Reorder the following steps from beginning to end.

Match each item with its correct description.

Copy of DNA Structure and Replication Questions (5/28/2026)

Copy of DNA Structure and Replication Questions (5/28/2026)

Explain what is happening to the DNA molecule and what enzymes are involved.I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.I will have to grade this.

Identify a correct nucleotide in the image below.

Why is DNA replication called semi-conservative?I will have to grade this.

What does it mean that the two strands of DNA are complementary?I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.I will have to grade this.

Identify a correct nucleotide in the image below.

Why is DNA replication called semi-conservative?I will have to grade this.

What does it mean that the two strands of DNA are complementary?I will have to grade this.

Reorder the following steps from beginning to end.

Match each item with its correct description.

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Why is DNA replication called semi-conservative?
I will have to grade this.

What does it mean that the two strands of DNA are complementary?
I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Explain what is happening to the DNA molecule and what enzymes are involved.
I will have to grade this.

Why is DNA replication called semi-conservative?
I will have to grade this.

What does it mean that the two strands of DNA are complementary?
I will have to grade this.