Biology, 02.10.2020 15:01 oliviaberta91

An mRNA macromolecule transcribes genetic codes from a DNA macromolecule in a cell's nucleus and carries the code into the cytoplasm to synthesize a protein. Which of the following statements is true about the nucleotides in the mRNA macromolecule and the DNA macromolecules?
1. The number of uracil bases in the mRNA is the same as the number of cytosine bases on the strand of DNA that it transcribed.
2. The number of uracil bases in the mRNA is the same as the number of thymine bases on the strand of DNA that it transcribed.
3. The number of uracil bases in the mRNA is the same as the number of adenine bases on the strand of DNA that it transcribed.
4. The number of uracil bases in the mRNA is the same as the number of guanine bases on the strand of DNA that it transcribed.

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