The "central dogma" of biology explains how life arose on this planet? A) The union of sperm and egg creates the next generation. B) New species evolve. C) Information stored in DNA comes to life in two fundamental steps. D) DNA is replicated

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Biology

Adan

5 August, 21:25

The "central dogma" of biology explains how life arose on this planet? A) The union of sperm and egg creates the next generation. B) New species evolve. C) Information stored in DNA comes to life in two fundamental steps. D) DNA is replicated

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Ruben Bishop · Answer 1

The question is incorrect. The correct question is:

Question: The "central dogma" of biology explains how

a) life arose on this planet

b) The union of sperm and egg creates the next generation.

c) New species evolve.

d) Information stored in DNA comes to life in two fundamental steps.

e) DNA is replicated

Answer:

d) Information stored in DNA comes to life in two fundamental steps.

Explanation:

According to the central dogma, the genetic information is stored in the nucleotide sequence of DNA molecules. The genetic information of DNA is copied into RNA molecules by the process of transcription. The process of transcription includes the formation of RNA molecules having a nucleotide sequence complementary to that of the template DNA strand.

The mRNA molecule then serves as a template for protein synthesis. The nucleotide sequence of mRNA is read in the form of triplet codons and each codon specifies a particular amino acid to be added to the polypeptide chain. Therefore, the genetic information stored in DNA is converted into amino acid sequences of specific proteins in two steps: transcription and translation.