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Bacteriophages are viruses that infect bacteria. In an experiment, bacteriophages were labeled with either radioactive phosphorus or radioactive sulfur. The labeled bacteriophages were incubated with bacteria for a brief moment in time then removed. The infected bacteria cells were found to contain significant amounts of radioactive phosphorus ...
- Biology quiz 7 study guide Flashcards
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- Biology quiz 7 study guide Flashcards
1) the sugar in RNA is Ribose instead of Deoxyribose 2) RNA is single-stranded (DNA is double-stranded) 3) RNA contains Uracil instead of Thymine (in DNA)
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RNA consists of four nitrogenous bases: adenine, cytosine, uracil, and guanine. Uracil is a pyrimidine that is structurally similar to the thymine , another pyrimidine that is found in DNA.
6 ημέρες πριν · Uracil (U) is one of the four nucleotide bases in RNA, with the other three being adenine (A), cytosine (C) and guanine (G). In RNA, uracil pairs with adenine. In a DNA molecule, the nucleotide thymine (T) is used in place of uracil.
Not to be confused with uridine. Uracil (/ ˈjʊərəsɪl /) (symbol U or Ura) is one of the four nucleotide bases in the nucleic acid RNA. The others are adenine (A), cytosine (C), and guanine (G). In RNA, uracil binds to adenine via two hydrogen bonds. In DNA, the uracil nucleobase is replaced by thymine (T). Uracil is a demethylated form of thymine.
