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In enzymology, a purine-nucleoside phosphorylase (EC 2.4.2.1) is an enzyme that catalyzes the chemical reaction: purine nucleoside + phosphate â purine + alpha-D-ribose 1-phosphate. Thus, the two...
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Read what a teenager has to say about celebrating this Muslim holiday in America after the September 11 attacks.
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Grade 3 Math Addition
The TeachAde Tutors take your children on a learning journey through Grade 3 Math Addition, including skills such as Addition Facts to 100, Add 2-digit Numbers, Add 3-digit Numbers, Add 4-digit… See More$1.99
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This species account includes an audio sound of the bird's song or call, a photo, physical description, conservation status, range, habitat and other facts.
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One of the most abundant forms of ocean life is gelatinous goo that, until recently, was all but invisible to science. Find out what scientists are learning through videos, maps and interactives.
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Grade 2 Reading Other Subjects Social Studies
The TeachAde Tutors take your children on a learning journey through Grade 2 Reading Other Subjects: Social Studies, including skills such as fluency, comprehension, vocabulary, sentence building,… See More$1.99
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Explores the role of the buffalo in the lives of the American Indians of the northern plains.
Antonym Hangman 2 ?
Subject: Language Arts (reading, writing, literature)
Languages: English
Countries: United States
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Antonyms
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How It Feels When A Parent Dies
In this touching book, the author talks to eighteen children, from seven to sixteen, who talk openly and honestly about their experiences and feelings about losing a parent. They are seen in photos… See More$14.95
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Explore the Seychelles, a group of over 100 islands, and their interesting natural history. See giant lizards and frogs the size of an ant.
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