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The conformation analysis of cis 1,3-dimethylcyclohexane, both the e,e and a,a conformer posses a sigma( σ)plane and hence it is optically inactive; no question of resolution arises. In a,a conformer there is two extra gauche butane interaction and hence the e, e conformer is more populated.
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Discuss the phosphorus cycle. Also include the various natural sources of phosphorus that are present and how does the cycle basically functions or move from one source to the other.
Phosphorus moves in a cycle through rocks, water, soil and sediments and organisms.Here are the key steps of the phosphorus cycleOver time, rain and weathering cause rocks to release phosphate ions and other minerals....
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Avery and his colleagues purified various chemicals from pathogenic bacteria and showed that ________ was (were) the transforming agent.
1Ans DNAAvery and his colleagues showed that DNA is the substance that causes bacterial transformation, in an era when it had been widely believed that it was proteins that served...
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1.6) Discuss Mitchell’s chemiosmotic hypothesis of ATP generation in mitochondria (discuss the roles of the electron transport chain, proton gradient and ATP synthase complex).
The chemiosmotic hypothesis was proposed by Peter Mitchell. This hypothesis stated that a proton-motive force was responsible for driving the synthesis of ATP. In this hypothesis, protons would be pumped across the inner mitochondrial membrane as electrons went through the electron...
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If the relative frequency of the B allele decreased in the gene pool what would happen to the relative frequency of the other allele? Explain.
According to Hardy-Weinberg equation, p2 + 2pq + q2 = 1, where p is a frequency of the B allele, and q is a frequency of b allele. As the...
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List the various types of literature available for taxonomic research and discuss any one in detail.
1. Taxonomic Literature (TL)2. Index Nominum Genericorum (ING)3.Index Kewensis PlantarumPhanerogamarun (IK)4. Gray Herbarium Card Index5.Index Filicum6. Index Nominum Algorum7.Index Muscorum8. Index Lendinensis9. International code of Botanical Nomenclature (ICBN)10. Index HerbariumIndex...
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Discuss the mechanisms of evolution and discuss human evolution
Discuss the mechanisms of evolutionThere are five main mechanisms of evolution: mutation, genetic drift, gene flow, non-random mating, and natural selection.Mutation is the source of new alleles. We cannot predict...
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What evolutionary factors can cause allele frequencies to change and possibly lead to a genetic polymorphism? Discuss the relative importance of each type of process.
Mutation,Gene flow, Genetic drift, and Natural selection.Mutationit creates a new DNA sequence for a particular gene, creating a new allele. Recombination also can create a new DNA sequence (a new...
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1. Naming term: describes relative position (relative to other muscle or other location)
2. Naming term: describes region of action or location of muscle
1.Relative position is part that is closer to the trunk of the body or closer to another specified point of reference than another part (elbow is proximal to the wrist)2.The...
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Unknown gas x has relative density 1.517 according to air.What will be relative density of gas x according to helium? Mr(He)=4 g/mol,Mr(air)=29 g/mol
Solution:RD = Msubstance / Mreference, where:RD is relative densityMsubstance is the molar mass of the substanceMreference is the molar mass of the referenceRD according to air = M(X) / M(air)M(X)...
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In general, alkanes adopt their staggered conformations preferentially to their eclipse conformations in order to minimize what type of molecular strain?
The ethane molecule in the eclipsed conformation is said to suffer from torsional strain and by a rotation around the carbon carbon bond to the staggered conformation around 12.5 kJ/mol...
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