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Copy of 2.) DNA Structure and Replication Videos (5/28/2026)

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Last updated about 3 hours ago
19 questions
Note from the author:
Videos
Exit Ticket - self-reflection
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Indiana Standard - B.4.1 Develop and revise a model that clarifies the relationship between DNA and chromosomes in coding the instructions for characteristic traits passed from parents to offspring.

Learning Goals (I can...):
  • Use a model to explain the structure of DNA.
  • Use a model to explain how DNA is replicated.
Instructions:

Before watching the videos - it is recommended that you click the arrow to open the first question so that you know what you need to listen for to answer that question. After you answer question one, and before you continue the video, repeat this for question 2. Continue this for each question.

If you are not sure of an answer - back up the video to the point that the previous question was answered and play that section again, listening for the answer to that question.

The video will stop and display each question at the appointed time and in the order that they are discussed in the video. Each video will provide the answers that you need for each question.

Any questions that require you to type a phrase or sentence will likely have to be graded by me.

Warning - do not attempt to look up the answers on the internet. I have watched the videos many times and I wrote the questions. I will know if you have used the videos or some other source. You will not receive points for answers that did not come from the videos.
Indiana Standard - B.4.1 Develop and revise a model that clarifies the relationship between DNA and chromosomes in coding the instructions for characteristic traits passed from parents to offspring.

Learning Goals (I can...):
  • Use a model to explain the structure of DNA.
  • Use a model to explain how DNA is replicated.
Instructions:

Before watching the videos - it is recommended that you click the arrow to open the first question so that you know what you need to listen for to answer that question. After you answer question one, and before you continue the video, repeat this for question 2. Continue this for each question.

If you are not sure of an answer - back up the video to the point that the previous question was answered and play that section again, listening for the answer to that question.

The video will stop and display each question at the appointed time and in the order that they are discussed in the video. Each video will provide the answers that you need for each question.

Any questions that require you to type a phrase or sentence will likely have to be graded by me.

Warning - do not attempt to look up the answers on the internet. I have watched the videos many times and I wrote the questions. I will know if you have used the videos or some other source. You will not receive points for answers that did not come from the videos.
Question 1
01:47
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Question 2
03:00
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Question 3
03:16
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Question 4
04:57
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Question 5
05:10
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Question 6
05:25
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Question 7
06:23
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Question 8
06:58
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Question 9
08:58
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Question 10
03:17
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Question 11
04:05
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Question 12
05:19
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Question 13
05:32
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Question 14
05:56
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Question 15
07:07
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Question 16
07:46
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Question 17
09:53
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Question 18
18.

Provide a list of one or two things that you learned, or anything that you understand better, after having completed this activity.

Question 19
19.

Enrichment Activity Link
  1. The website would not embed into this formative. You will have to click on the link and run it in another tab.
  2. The link is here - DNA Replication Interactive (biomanbio.com)
  3. We will discuss this very soon, so pay attention to what happens in the interactive, as it will give you an advantage in the very near future.
Question 1
1.

Question 2
2.

Question 3
3.
The phosphate, deoxyribose, and nitrogenous base are the three components of a _______ .
Question 4
4.
The two DNA strands are said to be _______ to each other.
Question 5
5.

Describe the flow of DNA from 3 prime (3') to 5 prime (5') carbon.

Question 6
6.
New nucleotides can only be added to the _______ end of DNA.
Question 7
7.
The "backbone" of DNA is made up of two things - _______ and _______.
Question 8
8.
Each purine on one strand of DNA is connected to pyrimidine on the opposite strand of DNA using _______.
Question 9
9.
What is the full name for DNA? _______
Question 10
10.

Describe the semi-conservative model of DNA replication.

Question 11
11.

What does antiparallel mean?

Question 12
12.

Describe the function of helicase.

Question 13
13.

Describe the function of single-stranded binding proteins.

Question 14
14.

Describe the function of DNA polymerase.

Question 15
15.

Describe the function of RNA Primase.

Question 16
16.

Describe the function of DNA Ligase.

Question 17
17.

What is the primary difference between between prokaryotic and eukaryotic DNA replication presented in the video?

After completing this activity, my confidence regarding this concept has:
Significantly increased
Moderately increased
Somewhat increased
Somewhat decreased
Moderately increased
Significantly increased
Which of these is NOT a nitrogenous base?
Adenine
Thymine
Guanine
Cytothrine
Why is sugar called deoxyribose sugar in DNA?
Two oxygen atoms are present in the sugar form.
Hydrogen is missing in the sugar form.
Oxygen is missing in the sugar form.
A hydroxyl group occurs in the sugar form.