Answer :
Final answer:
The correct answer to the question is that double-stranded RNA initiates RNA interference. This form of genetic material is recognized by the RNA-induced silencing complex, leading to gene silencing. Understanding this process is essential for grasping how gene expression is regulated at the molecular level.
Explanation:
Understanding RNA Interference
RNA interference (RNAi) is a crucial biological process that regulates gene expression and protects against viral infections. The form of genetic material that initiates this process is double-stranded RNA. When this type of RNA is introduced into a cell, it is recognized by the RNA-induced silencing complex (RISC), which then leads to the degradation of complementary RNA sequences, effectively silencing the corresponding gene.
Options Overview
- OA. double-stranded DNA: This is the form of genetic material found in most organisms, responsible for storing genetic information but not involved in initiating RNA interference.
- OB. double-stranded RNA: This is the correct answer, as it directly triggers the RNAi process.
- OC. single-stranded DNA: This is less common and does not play a role in RNAi.
- OD. single-stranded RNA: While it is involved in various cellular processes, it does not initiate RNA interference.
In summary, when studying RNA interference, it's important to remember that double-stranded RNA is the key player in initiating this biological pathway.
Learn more about RNA interference here:
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