Answered

The Central Dogma of Biology describes the flow of information in cells during the process of making proteins.



Which answer choice shows the correct direction for the flow of this information?


ADNA --> RNA --> protein
BDNA --> protein --> RNA
CRNA --> protein --> DNA

Verified Answer :

Final answer:

The flow of information in the Central Dogma of Biology is correctly represented as DNA --> RNA --> protein, which describes how genetic information is transcribed and translated to produce proteins. This process is fundamental to biological functions. Therefore, choice A is the correct answer.


Explanation:

The Central Dogma of Biology

The Central Dogma of Biology describes the flow of information within a biological system, particularly how genetic information is used to produce proteins. The correct direction of this flow is represented by:

  1. DNA --> RNA --> protein

This means that the genetic material in DNA is first transcribed into RNA, which is then translated into proteins. This process is crucial as proteins are the building blocks of cells and perform the essential functions necessary for life.

Example of the Process:

1. Transcription: DNA is copied into messenger RNA (mRNA) in the nucleus of the cell.
2. Translation: The mRNA is then transported to the ribosome, where it is read to assemble the appropriate amino acids into a polypeptide chain, forming a protein.

Thus, the answer choice that accurately reflects this flow of information is A: DNA --> RNA --> protein.


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