Why is thymine rather than uracil used in DNA?
The existence of thymine in DNA instead of uracil is apparently due to evolution process which made DNA more stable. Thymine has greater resistance to photochemical mutation, making …
Why is uracil, rather than thymine, used in RNA?
2017年4月4日 · Benefit of using thymine rather than uracil. For DNA the benefit is clear and stated in the question. By not using uracil as the complement to adenine, uracil produced by …
Why is uracil not used as a nucleotide in DNA? - Socratic
2018年3月23日 · See answer below: DNA uses thymine instead of uracil because thymine has greater resistance to photochemical mutation, making the genetic message more stable. This …
What nucleic acid contains uracil? - Socratic
2016年9月5日 · The repair mechanism of DNA can recognize and repair this. This wouldn't be possible when uracil was normally present in DNA. It appears that uracil turned into thymine …
biochemistry - Why is thymine not incorporated into mRNA?
2017年4月1日 · Nice question! But sadly, it comes under the category of questions about which we don't know everything yet. We don't yet know how RNA Polymerase differentiates between …
DNA and RNA differ in all BUT one of the following ways?
2016年4月22日 · 'C' is the right answer. Consider option A : Yes it's true DNA is double stranded and RNA is single stranded. Now consider option B : It's also true RNA has Ribose sugar and …
Why deoxyribose for DNA and ribose for RNA?
2014年12月12日 · RNA has three main characteristics that differs it from DNA. RNA is very unstable and decomposes rapidly. RNA contains Uracil in place of Thymine; RNA is almost …
What are the four bases of DNA? - Socratic
2018年6月17日 · You got it! You are correct, the two purines are adenine and guanine, the two pyramidines are thymine and cytosine. Now the source of confusion could be the inclusion of …
What are the monomers of DNA and RNA? - Socratic
2018年6月23日 · Nucleotides... Nucleotides are monomers of both "DNA" and "RNA". However, nucleotides themselves are made up of many other molecules. A nucleotide is made up of a 5 …
dna - Do thymine and uracil ever appear in the same strand of …
2013年7月3日 · Wikipedia says that "in RNA, thymine is replaced with uracil in most cases." I'm curious what are the cases when this does not happen? Does this ever occur in normal …