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9 reviewed resources for Molecular Clocks

Videos (Over 2 Million Educational Videos Available)
Cells - Overview & Introduction Video
4:07
Cells - Overview & Introduction
Who was Frederick Douglass? Video
3:07
Who was Frederick Douglass?
Defining Gravity Video
3:11
Defining Gravity
Other Resource Types (9)
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3:40
Lesson Planet: Curated OER

The Mammalian Molecular Clock Model

For Students 9th - 12th Standards
Animals don't read clocks, so how do they know when it is time for eating, sleeping, and other cyclical needs? Viewers watch an animation of the genes and the molecular clocks inside most mammals. They compare the difference in wild...
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6:26
Lesson Planet: Curated OER

How Long Will You Live?

For Students 9th - 12th Standards
Cells only divide a specific number of times before they die at the end of the division cycle. This molecular clock is the culprit of aging. A video explores the concept with a trip to New York to discuss the phenomenon with a leading...
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4:20
Lesson Planet: Curated OER

How Plants Tell Time

For Students 8th - 11th Standards
Can someone really have a "biological clock"? Discover why many organisms on earth have an inherent awareness of where they are in the day's cycle.This video discusses animal adaptations, the earth's revolutions, and how light and...
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Lesson Planet: Curated OER

Never Say Die: The CLock of Life

For Teachers 5th - 9th
Students explore ways to turn back the genetic clock. They explore cells and mitosis. Students participate in an activity to create a flip book that will animate the process of mitosis. They explain each stage of mitosis.
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2:02
Lesson Planet: Curated OER

Measuring Circadian Activity in Drosophila

For Students 9th - 12th Standards
How many hours should be in a day? One species of drosophila naturally prefers a 24.5 hour day, while another strongly prefers a 19-hour day. An animation and graph share data from each of these species when exposed to the typical light...
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Lesson Planet: Curated OER

Biotechnology/Bioinformatics Activity

For Teachers 11th - 12th
Students demonstrate the genetic principles of Heredity. They discover that each species has a unique Genetic fingerprint and that people can use "Genetic fingerprints" to solve a number of problems. They discuss examples of uses of DNA...
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9:11
Lesson Planet: Curated OER

When Insects First Flew

For Students 6th - 12th Standards
Insects developed wings and the ability to fly earlier than any other animal—when exactly did that happen? Scientists know this fact but struggle to explain when insect wings developed and how this entirely new structure appeared. PBS...
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Lesson Planet: Curated OER

What Should You Know about Classification?

For Students 6th - 12th
Many learners have a tough time picking out pertinent information from a text or in class. Sometimes, all it takes is a study/reading guide to show them the way. The worksheet here focuses on taxonomy and classification, including...
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Lesson Planet: Curated OER

Lactose & Lactase

For Teachers 7th - 12th
Students examine the characteristics of lactose and lactase.  In this enzyme lesson students study the lactose in milk and its rate of dissolution.