We appreciate your visit to A strain of fruit fly that lacks the ability to produce Dicer 2 protein will most likely be susceptible to which of the following types. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Final answer:
A strain of fruit fly that lacks the Dicer-2 protein is more susceptible to viral infections. The Dicer-2 protein is a defensive mechanism that impairs viral RNA replication within the host, limiting viruses' ability to infect the host. Lack of this protein would not necessarily increase the susceptibility to protozoan, fungal, or bacterial infections.
Explanation:
A strain of fruit fly that lacks the ability to produce the Dicer-2 protein is likely to be more susceptible to viral infections. The Dicer-2 protein is critical in the innate immune response of fruit flies to RNA viruses. This protein is involved in the process of RNA interference, wherein small interfering RNAs (siRNAs) are produced that can bind to and promote the degradation of viral RNA, thereby limiting the ability of viruses to replicate within the host. Without the Dicer-2 protein, this defense mechanism is impaired, increasing the fly's vulnerability to RNA viruses.
It is important to note however, lack of Dicer-2 would not necessarily increase susceptibility to other types of infections such as protozoan, fungal, or bacterial infections. These other forms of pathogens have different mechanisms of infecting and replicating within hosts and thus, defenses against these pathogens involve different cellular processes and proteins.
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