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Biology, 21.06.2019 17:40, Yung5hagger
What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds
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Biology, 22.06.2019 11:10, allisonpierce1787
Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.
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Biology, 22.06.2019 16:00, picktigers4406
Which areas of earth receive the most precipitation on average? a. tropics b. temperate zones c. regions near 30? n and s latitudes d. polar zones 1
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Viruses and bacteria are unicellular organisms....
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