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If one strand of DNA has the nitrogenous base sequence of ATCTG, what would be the complementary RNA strand sequence?

1. TTAGU
2. UAGAC
3. AACTG
4. ATCGU

Correct answer: UAGAC

Solution

To find the complementary RNA strand sequence, we need to pair each nitrogenous base in the DNA strand with its complementary base in RNA. The complementary base pairs are: A-T, C-G, and G-C. Therefore, the complementary RNA strand sequence is UAGAC.

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