E) Separation of DNA fragments. 21. The phenomenon in which RNA molecules in a c
ID: 86975 • Letter: E
Question
E) Separation of DNA fragments. 21. The phenomenon in which RNA molecules in a cell are destroyed if they have a sequence complementary introduced double-stranded RNA is called: A) RNA interference. B) RNA obstruction. RNA blocking. D) RNA targeting. E) RNA disposal. 22. DNA fingerprinting is based on the fact that: Number of repeated sequence is unique in each individual. B) Complete human genome sequence has been determined. D) DNA can be isolated easily E) Small amount of tissue is enough for analysis. 23)Aparticular triplet of bases in the coding sequence of "DNA" is AAA. The anticodon on the "tRNA" that binds the mRNA is: A) TTT B) UUA DAAA E) GGG 24) Which of the Following is least to the other items? A) Translation B) TATA Box C Transcription D) Ribonucleotides E) RNA polymerase ll 25) As ribosome along an mRNA molecule by codon, which of the following occurs? A) The tRNA that was in A site moves into the P site B) The tRNA that was in A site departs the ribosome C) The tRNA that was in P site moves to E site and is releases D) The tRNA that was in the P site moves into the A site E) Both A and Care correct 26) What is the diameter of a nucleosome? A) 17 nm B) 15 nm 13 nm D) 11 nm E) 15 nmExplanation / Answer
Answer to the above question no 21 is A.
Researchers had found that injecting double stranded RNA molecules into the cell somehow turned off expression of a gene with the same sequence as the RNA.thet called this phenomenn RNA interference which rules out b,c,d,e
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