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Zepler [3.9K]
1 year ago
13

Which statements about Pangaea are true according to widely accepted theories? Check all that apply.

Biology
1 answer:
statuscvo [17]1 year ago
5 0

The statement that is true as per widely accepted theories is that the landmass of Pangaea split into separate continents over time. The correct option is B.

<h3>What is Pangaea theory?</h3>

According to National Geographic, the Pangaea theory proposed that the tectonic plates that make up the planet's outer crust drifted over the inner layers until they merged as a landmass surrounded by a massive ocean called Panthalassa.

The existence of Pangea was first proposed by German meteorologist Alfred Wegener in 1912 as part of his theory of continental drift. Its identity is inferred from the Greek pangaia, which means "the entire Earth."

Thus, the correct option is B.

For more details regarding Pangaea theory, visit:

brainly.com/question/4736829

#SPJ1

Your question seems incomplete, the missing options are:

  • Pangaea existed two hundred thousand years ago.
  • The landmass of Pangaea split into separate continents over time.
  • Pangaea was discovered by Christopher Columbus.
  • Pangaea was surrounded by the waters of the ocean.
  • The coastline of Pangaea stayed consistent over time.
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Mutation occurs and the GGA coden is changed to GGA. What effect does the substitution have on the amnio acid?
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Answer:

The replacement of a base at a codon, as occurs when the GGA codon is changed to CGA, causes a change in the amino acid glycine to arginine.

Explanation:

Nitrogen base changes in a codon usually result from base changes in the DNA before transcription into messenger RNA, called point gene mutations.

In the case presented, the substitution of the guanine base by cytosine in the GGA codon —resulting in a CGA codon— generates a change in the coding amino acid, resulting in arginine instead of glycine.

The change of an amino acid in a peptide or protein can mean an alteration in the structure or function of these molecules.

Because an amino acid can be encoded by several codons, changes of a nitrogen base at a codon sometimes do not involve changes in the amino acid sequence of a protein.

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3 years ago
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The correct answer is A. Permian.

Explanation

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