Double Helix Essay

The discovery of deoxyribonucleic acid, also known as DNA, was a ground breaking discovery for the scientific community. Its discovery made ground breaking impacts that would only prove to be more detrimental to society with time. On top of the high prominence in the scientific field, the discovery would also go on over to make waves in the criminal justice field as well. The discovery of deoxyribonucleic acid was not a discovery made by any one given person, but was instead a collaborative…

Ans. Hydrogen, oxygen and carbon. Lipids 4. What are the two main parts of a lipid? Ans. Fatty acid and glycerol. 5. Explain what makes a fat saturated or unsaturated? Ans. The unsaturated fats have at least one double bond in one of the fatty acids. The saturated fats have no any double bonds. 6. How does the basic structure of a lipid differ from…

Linus Pauling was awarded the Nobel Prize in chemistry 1954 "for his research into the nature of the chemical bond and its application to the elucidation of the structure of complex substances"1 however he made significant discoveries in many areas of chemistry including physical and biochemistry. He also made several contributions to both theoretical and applied science from genetic diseases to diagnostic technology.2 Professor G. Hägg, member of the Nobel Committee for Chemistry stated in 1954…

Is bigotry in his DNA? The recent offensive comments made by the Nobel Prize Laureate James Watson revealed his irrational prejudice. It’s a shame that such a prominent scientist would make such unfounded and unscientific remarks. He said that he was “inherently gloomy about the prospect of Africa” because “all our social policies are based on the fact that their intelligence is the same as ours – whereas all the testing says not really.” He went on to say he hoped that everyone was equal, but…

Deoxyribonucleic acid, or DNA, has become one of the most significant discoveries known to humans. The DNA of an individual is located in the nucleus of the cell and it is the same in every cell. DNA is the genetic makeup of an individual and it is unique to them, meaning, no one has the same genetic code of adenine, cytosine, guanine, and thymine. Every person and living thing have a unique genetic code and sequence of the four chemical bases. DNA has been evolving since the beginning of time…

nucleotides, each in a helix, with each chain running parallel to each other. Also proved that the nucleotide bases could pair up in only one way based on Chargaff’s rule. b) Franklin’s x-ray diffraction photographs showed that the wet form of DNA likely had a double helix. Wilkins showed Watson Franklin’s results and at the time Watson and Crick were experimenting with many potential models of having 1,2 or even 2 strands. As soon as Watson saw the double helix, he knew the double strand model…

genetic information. A DNA molecule is an amazing part of peoples’ bodies. All molecules have a specific structure. What does a DNA molecule look like and how is it designed? Every DNA molecule looks like a curved ladder shape called a double helix. The double helix is built with…

Prokaryote DNA replication is a semi conservative, bidirectional, template driven process. The phrase ‘semi-conservative’ refers to the fact that the newly synthesised double stranded DNA is made up of one parental (existing) strand, and one newly synthesised strand. The parental duplex is not ‘conserved’ as an entity. This was proved by the Meselson-Stahl experiment by replicating E.Coli in different mediums of of different Nitrogen isotopes. The results consisted of half of normal weight and…

the main cause of changes to DNA. The structure of DNA was first discovered by James D. Watson and Francis Crick, and in 1962 they won the Nobel prize for discovering this structure, one of the most significant discoveries in the 20th century. This double helical structure is the same for all species, apart from a few strains of virus which have mRNA instead of DNA, and their discovery explained how DNA replicates and how hereditary information is coded. Deoxyribonucleic acid, or DNA, contains…

Explain the importance of hydrophobic interactions in tertiary structure # introduction : Proteins are organic compounds that made up of building blocks , called "amino acids." There are around 20 common types of amino acids. Nine of them are viewed as "essential " in the fact that the body can't make them, so they should be provided by eating healthy. A polypeptide chain is a chain of amino-linked together by peptide bonds. The foundation of the polypeptide is given by the repeated…