Given the findings of biochemist Erwin Chargaff about the composition of DNA. Answer the following questions: (1)     What is your general observation on their findings? (2)    Why are the proportions of the nitrogen bases of human thymus and human sperm almost the same?

Q: DNA in the form of a double helix must be associated with cations, usually Mg²+ . Why is this…

A: DNA is made up of two strands wind around one another to form double helix. The two strands are…

Q: 14.19) Determine whether each of the following statements refer to DNA, RNA, both DNA and RNA, or…

A: Nucleic acids are defined as the long-chain polymeric molecules. These are composed of the several…

Q: DNA and RNA are chemically very similar but are distinguished, in large part, by the presence of a…

A: Deoxyribose and Ribose sugar of DNA and RNA two are very similar in structure, with just one…

Q: describe the predictions for chemical properties of genetic material on a planet other than Earth,…

A: If there is life outside our earth and the genetic material is not nucleic acid then it must have…

Q: What are the medical/ therapeutic applications of the nucleotide sleectivity?

A: Introduction :- Nucleotide selectivity refers to the ability of certain drugs or therapies to…

Q: Human DNA contains 20% Con a molar basis. What are the molepercents of A, G, and T?

A: The genetic material in most living beings is Deoxyribonucleic acid (DNA). It is a complex molecule…

Q: 5-Bromouridine is known to induce mutations in DNA. One of the characteristics of this compound is…

A: 5-Bromouridine is a uridine subordinate with a Bromo substituent at the fifth carbon. Br -Urd is…

Q: Thymine makes up 12% of the nucleotides in a sample of DNA from an organism. Approximately what…

A: According to Chargaff's criteria, which were established by Erwin Chargaff, the amounts of guanine…

Q: Chargaff’s rule states that the amount of _______ in DNA is always roughly equal to the amount of…

A: Introduction :- The Chargaff rule of base pairing and how the two strands of DNA are bound together…

Q: Which conformation of DNA – (i) totally double helix, (ii) minimally unwound or (iii) largely…

A: Just as a high temperature can denature protein, nucleic acids such as DNA and RNA can too be…

Q: Soy milk is rich in vegetable protein (about 4.5 grams of protein per 100 grams of soy milk) and…

A: INTRODUCTION : Proteins : Proteins are simple & complex biocompounds which are needed by the…

Q: 4b) Chargaff was the first person to isolate large strands of genomic DNA, rather than small…

A: DNA is the hereditary material in humans and almost all other organisms. Nearly every cell in a…

Q: Of the four DNA bases, why is guanine most likely to be modified after exposure to polycyclic…

A: DNA is made up of four bases-adenine, cytosine, guanine, and thymine. The pKa of adenine and…

Q: Discuss the contributions of Chargaff, Franklin/Wilkins, and Watson/Crick in the elucidation of the…

A: A polymer made up of two polynucleotide chains that coil around one another to form a double helix…

Q: Discuss the differences between the Z-Form, A-form and B-form Dna

A: DNA (Deoxyribonucleic acid) is a molecule which is present in the nucleus of the cell. It contains…

Q: A DNA molecule contains 28% thymine. What is the % of each purine and of each pyrimidine?

A: DNA is a nucleic acid ,which is a genetic material in the nucleus of the cell.Purines and…