A _________
blank
contains the necessary information for the production of a molecule of RNA.
genome
gene
nucleotide
genetic code
codon

Question

A _________
blank
 contains the necessary information for the production of a molecule of RNA.
genome
gene
nucleotide
genetic code
codon

BlackTom AI · Accepted Answer

The question asks: A _________ blank contains the necessary information for the production of a molecule of RNA. The answer choices correspond to: A) genome, B) gene, C) nucleotide, D) genetic code, E) codon. 
Option A (genome): A genome is the complete set of genetic material present in an organism or cell. While it contains all the genetic information, saying it alone contains the specific necessary information for producing a single RNA molecule is overly broad and not the precise unit of information for transcription of one RNA molecule. This makes it an imprecise fit for the prompt.
Option B (gene): A gene is a specific sequence of nucleotides that encodes the information to produce a particular RNA molecule (such as mRNA) during transcription, or to produce a functional RNA product. In this context, a gene is the unit that carries the information required to synthesize a given RNA transcript, which aligns exactly with the statement. Therefore, this is the correct interpretation.
Option C (nucleotide): A nucleotide is the basic building block of nucleic acids, not a unit that carries the complete set of information for producing an RNA molecule. While nucleotides constitute RNA and DNA, they do not themselves contain the entire informational content for transcription; the sequence of nucleotides along a gene provides that information. Thus, this option is not accurate as the descriptor in the blank.
Option D (genetic code): The genetic code refers to the set of codon-to-amino-acid mappings used during translation, not to the information necessary to produce an RNA molecule itself. It explains how RNA sequences encode amino acids, which is downstream of transcription. Hence, this choice misplaces the role of the code in the process.
Option E (codon): A codon is a triplet of nucleotides that specifies a single amino acid during translation. It is a component of the RNA sequence, not the information source that directs RNA production. Therefore, it does not fill the blank appropriately.
In summary, each option fails for different reasons except Option B, which correctly identifies a gene as the discrete information-carrying unit responsible for producing a particular RNA transcript.

A _________ blank contains the necessary information for the production of a molecule of RNA. genome gene nucleotide genetic code codon单项选择题

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