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The CRISPR/Cas9 system is a very versatile tool for a wide variety of genetic changes, including deletions, point mutations, and insertions. The Cas9 nuclease contains two active sites. When both...
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Students will gather and organize data to find one number that fairly represents the whole group.
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View labeled drawings of the esophagus, diaphragm, liver, gallbladder, appendix, stomach, spleen, pancreas, large intestine, small intestine and rectum.
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Grade 3 Science Health
The TeachAde Tutors take your children on a learning journey through Kindergarten Science Health, including such skills as fluency, comprehension, vocabulary, sentence building, spelling and context… See More$1.99
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Teenage Rebellion: Drugs, Sex, And Crime DVD
Many of us know that teenagers and rebellion go together. Unfortunately, some teen rebellions become violent and dangerous. In this video, you'll see why some teens turn to drugs, sex and crime as… See More$95.95
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How does gravity work? What does it do? View simple animations that explain these questions and think about what would happen if the force of gravity was turned off.
Trails to Utah and the Pacific: Diaries and Letters, 1846-1920
Languages: English
Countries: United States
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Read the stories of Mormon pioneer families and others who were part of the national western movement, sharing trail experiences common to hundreds of thousands of westward migrants.
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Bye Bye Time Board Book
For many toddlers, bye-bye is a big deal. By being dropped off at daycare, or left with a baby-sitter, it means saying good-bye to Mom or Dad. This gentle book helps ease the transition with simple… See More$8.95
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Get the answer and full explanation to this everyday mystery from the librarians at the Library of Congress.
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