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alekssr [168]
3 years ago
5

What is the main material in a B-horizon? clay iron organic matter parent material

Biology
1 answer:
vazorg [7]3 years ago
8 0

Answer:

The answer would be B): Iron

Explanation:

Proof

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2 years ago
Which of the following shows the correct ratio of carbon, hydrogen, and oxygen in a carbohydrate?
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A. C6H12O6

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Safety Hazard A. Burns B. Cuts C. Falls D. Fires E. Shocks F. Strains
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Several members of the same family were diagnosed with he same kind of cancer when they were unusually young. Which one of the f
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(c) Inherited a mutation in a gene required for mismatch repair

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Gene mutations are occasional changes that occur in genes, that is, the procedure by which a gene undergoes a structural change. Mutations involve the addition, deletion or substitution of one or a few nucleotides of the DNA strand. Mutation provides the emergence of new forms of a gene and, consequently, is responsible for gene variability.

It is common for several members of the same family to have the same genetic mutations, as the gene affected by the mutation may condition a trait that DNA cannot repair. An example of this is the family shown in the question above, where several people were diagnosed with the same type of cancer while still young. What probably happened in this family was that people diagnosed with cancer inherited a mutation in a gene needed to repair incompatibility.

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