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DNA Replication (Basic Detail)

Topic
  • Biochemistry & Molecular Biology
  • DNA & RNA
Resource Type
  • Videos
  • Animations
Level
High School — GeneralHigh School — AP/IB
Duration
00:01:07
Favorited By
11 Users
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View in Spanish
Description

This animation shows how one molecule of double-stranded DNA is copied into two molecules of double-stranded DNA. 

DNA replication involves an enzyme called helicase that unwinds the double-stranded DNA. Other enzymes then copy each of the two strands. One strand is copied continuously. The other strand is copied in sections. The end result is two double-stranded DNA molecules.

This animation brings the process to life, showing three-dimensional representations of the molecules involved. Depending on students’ backgrounds, it may be helpful to pause the animation at various points to identify the molecules and describe their interactions.  

Details
Key Terms

base, helicase, nucleic acid, nucleotide, strand

Terms of Use

The resource is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. No rights are granted to use HHMI’s or BioInteractive’s names or logos independent from this Resource or in any derivative works.

Version History
Date Published 02.05.03
Date Updated 06.02.20
Curriculum Connections
NGSS (2013)

HS-LS1.A

AP Biology (2019)

IST-1

IB Biology (2016)

2.7

Vision and Change (2009)

CC2

Materials
Large (MOV) 24 MB
Large (WMV) 24 MB
Small (MOV) 6 MB
Small (WMV) 6 MB
Transcript (PDF) 11 KB
Spanish Dub (Español) (MP4) 19 MB
Transcript - Español (PDF) 180 KB

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