A double-stranded piece of alien nucleic acid has been isolated. Each individual strand of the nucleic acid is 160 nucleotides l
ong; for a total of 320 nucleotides in the isolated piece of nucleic acid. An initial analysis shows that of the 320 nucleotides, 95 contain the base uracil.1. How many nucleotides containing the base isoAdenine (iA) would be found in the isolated piece of double-stranded nucleic acid?a. 0b. 95c. 190d. 225e. cannot be determined2. How many nucleotides in the piece of alien DNA would contain the base adenine?a. 40b. 70c. 95d. 140e. cannot be determined
95 isoadenine bases; adenine bases cannot be determined
Explanation:
In Alien DNA;
iA complementary with U
iT complementary with A
bG complementary with iC
So if there were 95 nucleotide that contain the uracil then there should also be 95 isoadenine.
Adenine binds with isothymine in alien DNA and there are no information of isothymine or other bG/iC bases is given, so we cannot determine the adenine bases.
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