Which of the following best describes siRNA?
A) a short double-stranded RNA, one of whose strands can block gene expression
B) a double-stranded RNA that is formed by cleavage of hairpin loops in a larger precursor
C) a portion of rRNA that allows it to bind to several ribosomal proteins in forming large or small subunits
D) an RNA sequence that can block the expression of some transposons
Correct Answer:
Verified
Q17: Which of the following is a protein
Q18: In response to chemical signals, prokaryotes can
Q19: Most repressor proteins are allosteric. Which of
Q20: A lack of which of the following
Q21: Please use the following information to answer
Q23: Gene expression can be blocked by small
Q24: In a genome-wide expression study using a
Q25: How have DNA microarrays had such a
Q27: In eukaryotes, general transcription factors
A) are required
Q32: Transcription factors in eukaryotes usually have DNA-binding
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