Which of the following has a mass of 40.0 g?
a 1.34 x 1024 molecules H2O
b 2.22 mol H2O<...
Answers: 3
Biology, 21.06.2019 16:20
Which element is used in photosynthesis found in atmosphere and fixed by bacteria?
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Biology, 21.06.2019 22:00
Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.
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Biology, 22.06.2019 12:00
When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?
Answers: 1
Biology, 22.06.2019 14:20
Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.
Answers: 3
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