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Biology, 22.06.2019 00:10
Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c
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What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?
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Biology, 22.06.2019 10:00
What organ is the first to receive nutrients that have been absorbed from the digestive tract?
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Biology, 22.06.2019 10:00
Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods
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A scientist is studying the reproduction of four organisms and records information about each organi...
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