If a mutation occurs in the DNA let's say a point mutation only one of the base pairs will be different. The codon will be different so a different amino acid will be synthesized. Amino acids have different radicals with different functional group. Those radicals that differ from amino acid to amino acid determine the shape and function of the protein. Therefore a mutated gene will cause the synthesis of a protein with an altered shape and function. A good example is sickle cell disease. Where glutamic acid is replaced with valine and the beta chain of hemoglobin has a deformed shape and has an altered function(carries less oxygen).
According to the research, the biogeochemical cycles have been modified as a result of the use of intensive agriculture and the use of fertilizers, industrial activities and the burning of fossil fuels.
<h3>What are the biogeochemical cycles?</h3>
These are the movements of various chemical elements between organisms and the environment through different processes.
Specifically these involve a chemical change, through the production and decomposition of elements, and other substances between living beings and biomass, atmosphere and aquatic environments where humans overload ecosystems through the burning of fossil fuels and the increase in industrial and agricultural activities.
Therefore, we can conclude that according to the research, the biogeochemical cycles have been modified as a result of the use of intensive agriculture and the use of fertilizers, industrial activities and the burning of fossil fuels.
Learn more about biogeochemical cycles here: brainly.com/question/862885
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That would be genetic engineering. This study involves the use of DNA and genes.
A.The way plant pollen is carried by wind to another plant.