Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be thymine?
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- Chemical analysis shows that a nucleic acid sample contains A, U, C, and G. Is this DNA or RNA? Why?DNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What are the consequences of this difference in strength?Prokaryotic DNA and prokaryotic RNA differ from each other in all of the following ways except: only one of them contains deoxyribose sugars only one of them is usually double-stranded only one of them contains thymine bases only one of them contains ribose sugars only one of them contains phosphates
- Consider an intact length of DNA consisting of 140 total nucleotides (70 nucleotides/strand), with 40 total adenine nitrogen bases. How many of each of the following molecules would be found in the length? MoleculeNumber Adenine40 Guanine___ Thymine___ Deoxyribose___ Uracil___ Phosphate Groups___ Ribose___ Cytosine___The base content of a particular DNA molecule is 36% thymine. What is the percentage of each of the following bases in the molecule? a. Adenine b. Guanine c. CytosineA double-stranded DNA molecule is 1 cm long, and the percentage of adenine is 15%. How many cytosines does this DNA molecule contain?
- If 15 percent of the nitrogenous bases in a sample of DNA from a particular organism is thymine, what percentage should be cytosine? Group of answer choices 35% 70% 30% 15% 40%. Which of the following equations is a prediction based on Chargaff’s rules for the content of DNA? adenine + thymine = guanine + cytosine thymine + adenine = cytosine + guanine guanine + cytosine = adenine + thymine cytosine + guanine = thymine + adenine adenine + cytosine = thymine + guanine. Which of the following DNA components is found on the exterior of this double-stranded molecule? nitrogenous bases ribose sugars deoxyribose sugars purine bases pyrimidine bases
- A DNA segment has a total of 1000 nucleotides, out of which 240 of them are adenine containing nucleotides. How many pyrimidine bases does this DNA segment possess?Which THREE of the following characteristics are the same in both DNA and RNA? A) deoxyribose sugar B) double-stranded C) phosphate group D) the nitrogenous base thymine E) the nitrogenous base adenine F) the nitrogenous base guanineIf 17% of the nitrogenous bases in a sample of DNA from a particular organism are cytosine, what percentage should be thymine? Group of answer choices 66% 17% 33% 34%