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olga55 [171]
3 years ago
9

Which of the following best identifies a physical digestive process?

Biology
1 answer:
wolverine [178]3 years ago
5 0

Answer:

enzyme action

Explanation:

During enzyme action , the enzyme acts as a catalyst to break down the food leading to a further and easier digestive process.

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Many different types of mutations can occur within the body. An individual experiences a mutation that changes a base
Georgia [21]

Answer:

The type of mutation responsible for changing a base in the mRNA strand, without changing the coding aminoacid or protein, is called a <u>silent</u> mutation.

Explanation:

In a silent mutation occurs the change of a nitrogenous base in one of the codons that encodes an aminoacid, without changing the aminoacid or altering the structure or function of the protein to be synthesized.

In this type of mutations the change of the base does not mean the change of the aminoacid, because some aminoacids can be coded with more than one codon. In the case of Leucine, the codons that encode it are CUU, CUC, CUG or CUA, so even if a base changes, the final protein will be the correct one.

For the other options:

  • <u><em>Missense</em></u><em>: the change of the base in the DNA chain implies the change of the codon in the mRNA and of the encoded aminoacid, in that way a structural and functional alteration of the synthesized protein occurs. </em>
  • <u><em>Nonsense</em></u><em>: the change in the nitrogenous base in the DNA leads to the coding of a termination codon, so that the protein is ultimately incomplete.</em>
  • <u><em>Insertion</em></u><em>: in this case there is the addition of more nitrogenous bases to the DNA chain, with respect to the original one.</em>
3 0
4 years ago
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Hello can someone help me please and thank:)
denpristay [2]

Answer:

B- J, L, K

Explanation:

Wrong Subject but the largest side's opposite angle is the largest if that made sense. For example, KL which is the largest side corresponds to the largest angle <J.

7 0
2 years ago
Answers true or false​
sergey [27]

Answer:

True

Explanation:

8 0
3 years ago
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According to Darwin's theory of evolution, which organisms are BEST able to survive in nature?
Rus_ich [418]
Animals that have heritable traits that enable them to better adapt to their environment
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Ecologists study how relationships between biotic and abiotic factors impact the many levels of organization on earth. What leve
NeX [460]
The correct option is C.
The organism level of the ecosystem describes the survival of  a particular member of a specie in the ecosystem. An organism has to interact with both the biotic and the abiotic components of the ecosystem in which it founds itself in order to survive.
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