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fomenos
3 years ago
12

How did the Industrial Revolution contribute to the changes in environmental quality that occurred

Biology
1 answer:
melomori [17]3 years ago
7 0

Answer:

Negatively

Explanation:

The Industrial Revolution contributed to the first mass scale pollution of the Earth's spheres by the humans. There was pollution prior to it as well, but it was nothing when compared with the period after it occurred. With the development of the industry, lot of waste was released into the waters, or on the soil, often being very toxic and causing severe contamination. The main energy source was the coal, and the coal that was used was releasing enormous amounts of carbon dioxide and sulfur dioxide into the atmosphere. The places that were located near industrial object, or had industrial objects in them faced enormous pollution of the air, which badly affected the health of the humans, animals, and plants. The first acidic rains caused by the human activity started to appear, causing big damage on the forests.

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Answer 1:

The mutation shown is point mutation.

A point mutation can be described as a type of mutation in which only a single nucleotide of a sequence is either:

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The addition of the single nucleotide will cause the entire open reading frame to be changed. The amino acid sequence will change entirely from the position where the insertion mutation occurs. This is because the code for making amino acids works on a three base pattern. The reading of the three bases will be altered completely by the addition of just a single nucleotide.

Answer 2:

No, the resulting protein will not be altered.

The genetic code occurs in a linear sequence with triplet format. The change in a single base will cause the wrong amino acids to be formed. However, if the different code is common for the same amino acid then there will be no effect on the amino acid being formed.

<em>For example, the code GUA makes the amino acid Valine. If a mutation occurs and the code becomes GUU instead of GUA, then the resulting amino acid formed will also be Valine. Hence, there will be no alternation in the formation of the protein.</em>

Answer 3:

Melanoma cancer is the type of skin cancer which is associated with cancer from sun light. It is mainly caused due to the harmful ultraviolet rays which act as a mutagen.

<em>The mutations might keep coming back because although the growth have been removed, the other skin cells of the body might still have the mutation in them. As a result, growth will be seen again in the skin cells which might occur again and again. </em>

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Pyruvate is a very important compound for the cell since it is a key substrate for energy production and glucose synthesis (neo-glycogenesis), that is, pyruvate is the end product of glucose breakdown in glycolysis. Before entering the mitochondria, it can be converted to lactate, through an anaerobic reaction (in the absence or under oxygen supply) of low performance in energy production, when the main pathway is interfered with. It can also be converted to the amino acid alanine. Within the mitochondria, it can be transformed, by pyruvate dehydrogenase (PDH), into acetyl-coenzyme A (acetyl-CoA), the entry point (substrate) of the Krebs cycle. In addition, by means of pyruvate carboxylase, it can be transformed into oxalacetate, which constitutes the first step in neoglycogenesis.

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