Which of the following is regarded as outward expression of gene?
**Core Concept**
The question is testing the understanding of gene expression, a fundamental concept in molecular biology. Gene expression refers to the process by which the information encoded in a gene's DNA is converted into a functional product, such as a protein, that can perform a specific function in the cell.
**Why the Correct Answer is Right**
The correct answer is a product of gene expression that is directly involved in the outward expression of a gene. It is a molecule that contains the genetic information encoded in the DNA and is responsible for carrying out the instructions contained in the gene. The correct answer is synthesized in the nucleus and then transported out of the nucleus into the cytoplasm, where it can perform its function.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it refers to a process involved in gene expression, but it is not the outward expression of a gene. Gene expression involves multiple steps, including transcription and translation, but this option does not accurately describe the final product of gene expression.
**Option B:** This option is incorrect because it is not directly involved in the outward expression of a gene. While it is related to gene expression, it is not the molecule that carries the genetic information out of the nucleus.
**Option C:** This option is incorrect because it is the location where gene expression occurs, but it is not the product of gene expression.
**Clinical Pearl / High-Yield Fact**
One important thing to remember is that gene expression is a complex process that involves multiple steps, including transcription, translation, and post-translational modification. Understanding the different stages of gene expression is crucial for understanding how genes are regulated and how genetic information is converted into functional products.
**Correct Answer: C. RNA**