Respuesta :
The correct answer is C. uracil. Uracil is one of the four nucleobases in the nucleic acid of RNA; it is a pyrimidine base to specific. During transcription, it binds to adenine by hydrogen bonds. It is thus basically comparable to thymine in DNA molecules.
Uracil is a nitrogenous base that is only present in RNA.
Further Explanation:
As per central dogma, the genetic information moves from “DNA to RNA”via transcription and RNA to proteins through translation. In transcription, DNA is converted into RNA and translation is the process of converting RNA into amino acids, which joins together to form a polypeptide chain of proteins. DNA is a complex molecule composed of deoxyribose sugar, nitrogenous bases, and phosphate groups attached by glycosidic, phosphoanhydride and hydrogen bonds. Four types of base are present in DNA:
- Adenine
- Cytosine
- Guanine
- Thymine
Adenine and guanine are purines whereas, cytosine and thymine are pyrimidines. Purines base pairs with pyrimidines such that A pairs with T with two hydrogen bonds and G pairs with C with three hydrogen bonds. The sequence of bases is different for all individuals. RNA is a ribonucleic acid and is different from DNA by:
- It is single-stranded
- It has four bases namely, adenine, guanine, uracil, and cytosine
- It consists of 2’ hydroxyl group
Learn More:
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Genetics
Keywords:
Adenine, guanine, purines, cytosine, uracil, RNA, DNA, pyrimidine, sequence, nitrogenous base, thymine, guanine, transcription, translation.
