A Researcher Introduces Double-Stranded RNA into a Culture of Mammalian

question 70

Multiple Choice

A researcher introduces double-stranded RNA into a culture of mammalian cells, and can identify its location or that of its smaller subsections experimentally, using a fluorescent probe.
-In addition, she finds what other evidence of this single-stranded RNA piece's activity?

• A) She can measure the degradation rate of the remaining single strand.
• B) She can measure the decrease in the concentration of Dicer.
• C) The rate of accumulation of the polypeptide to be translated from the target mRNA is reduced.
• D) The amount of miRNA is multiplied by its replication.
• E) The cell's translation ability is entirely shut down.

---

Definitions:

Defense Mechanism

Psychological strategies brought into play by individuals, groups, or even nations to cope with realities and to maintain self-image.

Reaction Formation

A psychological defense mechanism where an individual unconsciously replaces unacceptable thoughts or feelings with their opposites.

Defense Mechanism

Psychological strategies employed by individuals, often unconsciously, to protect themselves from anxiety-producing thoughts, feelings, or situations.

Denial

A psychological strategy where an individual evades facing a personal issue or accepting the truth by rejecting the presence of the problem or reality.