Processes and Steps of DNA Replication for the MCAT: Tutoring Solution - Videos & Lessons

About This Chapter

The Processes and Steps of DNA Replication chapter of this MCAT Prep Tutoring Solution is a flexible and affordable path to learning about DNA replication. These simple and fun video lessons are each about five minutes long, and they teach all of the processes and steps in DNA replication required in a typical MCAT prep course.

How it works:

Begin your assignment or other MCAT prep work.
Identify the DNA replication concepts that you're stuck on.
Find fun videos on the topics you need to understand.
Press play, watch and learn!
Complete the quizzes to test your understanding.
As needed, submit a question to one of our instructors for personalized support.

Who's it for?

This chapter of our MCAT tutoring solution will benefit any student who is trying to learn the processes and steps in DNA replication and prepare for the exam. This resource can help students including those who:

Struggle with understanding conservative and semi-conservative models, leading strand or any other DNA replication topic
Have limited time for studying
Want a cost effective way to supplement their science learning
Prefer learning science visually
Find themselves failing or close to failing their MCAT prep unit on DNA replication steps and processes
Cope with ADD or ADHD
Want to get ahead in preparing for the MCAT
Don't have access to their MCAT instructor outside of class

Why it works:

Engaging Tutors: We make learning about DNA replication simple and fun.
Cost Efficient: For less than 20% of the cost of a private tutor, you'll have unlimited access 24/7.
Consistent High Quality: Unlike a live MCAT tutor, these video lessons are thoroughly reviewed.
Convenient: Imagine a tutor as portable as your laptop, tablet or smartphone. Learn about the processes and steps in DNA replication on the go!
Learn at Your Pace: You can pause and rewatch lessons as often as you'd like, until you master the material.

Learning objectives:

Explore conservative, semi-conservative and dispersive models of DNA replication.
Examine how the DNA helicase unwinds the double helix in preparation for replication.
Learn how DNA polymerase and RNA primase initiate DNA replication.
Find out the significance of leading and lagging strands of DNA.
Review enzymes and replication bubbles.

8 Lessons in Chapter 5: Processes and Steps of DNA Replication for the MCAT: Tutoring Solution

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1. What Is DNA Replication? - Conservative, Semi-Conservative & Dispersive Models

How do we know that DNA replication is semi-conservative? How do we know it's not conservative or dispersive? Let's follow the famous experiment by Meselson and Stahl to find out!

2. How Helicase Unwinds the DNA Double Helix in Preparation for Replication

How does semi-conservative replication begin? Discover how DNA helicase creates a replication fork to unwind the complicated DNA molecule and allow daughter strands to form on the parental template.

3. How DNA Polymerase and RNA Primase Initiate DNA Replication

How do enzymes assist in starting DNA replication? In this lesson, we explore the work of a contributing enzyme, DNA polymerase, and learn how the RNA primer is made by the action of RNA primase.

4. DNA Replication: The Leading Strand and DNA Polymerase Activities

How does replication occur in the antiparallel DNA molecule? In this lesson, explore the significance of the leading and lagging strands, and learn how Okazaki fragments and RNA ligase make DNA replication possible.

5. DNA Replication: Review of Enzymes, Replication Bubbles & Leading and Lagging Strands

Feeling lost in the thorny details of DNA replication? This lesson provides an overview of semi-conservative replication, with a focus on putting together all of the concepts involved. We'll review the work of each enzyme on our way to completing the big picture of DNA replication.

6. Examples of Transcription Regulation in Eukaryotes

Transcription is more complicated than just turning a gene 'on' or 'off' like a light switch. In this lesson, you'll learn how eukaryotic transcription is regulated through the use of DNA regulatory regions, DNA methylation, and chromatin modification.

7. Genetic Engineering & DNA Plasmid

This lesson will discuss what a GMO is, and how DNA plasmids are used in genetic engineering. The lesson will include these important features of plasmids: a multiple cloning site, an origin of replication, and a selectable marker.

8. Practical Applications & Safety Concerns of DNA Technology

Our discovery of DNA was a big deal, but what technologies has it led to? And could they be dangerous? Learn about DNA technology, and then test your knowledge with a quiz.

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Practice Final Exam

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