SciShow
Is There DNA in Dirt?
You know about fossils, but what other secrets are lurking in the ground beneath our feet?
Bozeman Science
Unit 5 Review - Genetics
Paul Andersen reviews the major concepts within the fifth unit of the new AP Biology framework. He starts with a description of both DNA and RNA. He explains how DNA is copied during the S phase of mitosis. He explains how transcription...
Bozeman Science
AP Biology - The Final Review
The final AP Biology Review. Chapters View all AP Biology 0:07 Section : Multiple Choice 1:00 Hardy-Weinberg 3:23 Chi-squared Test 5:29 Null Hypothesis 6:16 Respiration 7:30
SciShow
The 2015 Nobel Prizes!
Over the past few weeks, the Nobel committees have been announcing the 2015 laureates. This year’s winners in the physics and chemistry categories made discoveries about the tiny neutrinos flying through all of us, and the ways our...
Amoeba Sisters
Gene Regulation and the Order of the Operon
Explore gene expression with the Amoeba Sisters, including the fascinating Lac Operon found in bacteria! Learn how genes can be turned "on" and "off" and why this is essential for cellular function.
SciShow
How Extreme Microbes Are Helping Us Test for COVID-19
Microbes that live in extreme environments, like geysers and hydrothermal vents, are able to survive in extreme temperatures. Scientists have figured out ways to use this thermostability to supercharge DNA studies, including the study of...
Amoeba Sisters
DNA Replication (Updated)
Explore the steps of DNA replication, the enzymes involved, and the difference between the leading and lagging strand! This video is an update from our old DNA replication video with nearly the same script but added detail and improved...
Amoeba Sisters
PCR (Polymerase Chain Reaction)
Join The Amoeba Sisters as they explain the biotechnology PCR. This video goes into the basics of how PCR works as well as two examples of its potential use. Table of Contents: 00:00 Intro 1:34 How does PCR work? 4:31 Why use PCR? 5:10...
Crash Course
DNA Structure and Replication: Crash Course Biology
Hank introduces us to that wondrous molecule deoxyribonucleic acid - also known as DNA - and explains how it replicates itself in our cells.
Bozeman Science
DNA Replication
Paul Andersen explains how DNA replication ensures that each cell formed during the cell cycle has an exact copy of the DNA. He describes the Meselson-Stahl experiment and how it showed that DNA copies itself through a semi-conservative...
Bozeman Science
DNA and RNA - Part 2
Paul Andersen continues his description of DNA and RNA. He begins with the structure of DNA and RNA and moves into the process of DNA Replication. He also describes the central dogma of biology explaining how DNA is transcribed to mRNA...
Curated Video
DNA replication
An essential stage in cell division and reproduction, allowing genetic material to be copied into a new cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Catalyst University
Interphase and Regulation of Cell Cycle by CDKs and Cyclin
Interphase and Regulation of Cell Cycle by CDKs and Cyclin
Catalyst University
The Nuclear Pore Complex: Nuclear Import, Export, & RAN
In this video, we discuss the mechanisms by which proteins are targeted to the nucleus (import) and moved from the nucleus to the cytoplasm (export). Collectively, nucleocytoplasmic transport is regulated by the nuclear pore complex and...
Bizarre Beasts
The Hot Microbe That Revolutionized Biology
Thermus aquaticus is the most important bacterium you may never have heard of. It single-cell-edly revolutionized modern biology and our ideas about the very limits of life on Earth. Who said a Bizarre Beast has to be an animal?
Catalyst University
Adenosine Deaminase Deficiency (Part 1) How Does dATP Accumulate
Adenosine Deaminase Deficiency (Part 1) How Does dATP Accumulate
Catalyst University
The Central Dogma of Biology | Transcription & Translation: The Basics
This video explores the Central Dogma of Molecular Biology (Transcription & Translation) at an introductory or general biology level.
Catalyst University
DNA Replication of the Lagging Strand: Explanation Followed by Animation
Here we have provided an explanation of lagging strand DNA replication followed by an great animation beginning at 4:04.
Amoeba Sisters
Amoeba Sisters: Dna Replication
Learn all about the process of DNA replication with this video from Amoeba Sisters. Review each stage of the replication process focusing on the enzymes that help move along the process. Teachers can visit Amoeba Sisters' website for a...
Khan Academy
Khan Academy: Molecular Genetics: Leading and Lagging Strands in Dna Replication
Understand the roles of DNA polymerase, primase, ligase, helicase and topoisomerase in DNA replication. An explanation of leading and lagging strands. [10:18]
Khan Academy
Khan Academy: Speed and Precision of Dna Replication
Sal reflects on the amazing speed and precision with which DNA replication takes place. [3:54]
Khan Academy
Khan Academy: Six Types of Enzymes
A video reviewing over the six types of enzymes and how they catalyze reactions. Learn how you can figure out the function of an enzyme from its name. [7:03]