Which of the following statements about RNA processing in eukaryotes is INCORRECT?
A. A 7-methylguanosine cap is added on to the 5?end of the mRNA.
B. Modification occurs in the nucleus.
C. The excision of introns from pre-mRNA is the only modification required to produce a mature mRNA.
D. A poly A tail is added on to the 3? end of the mRNA.
E. A protein/RNA complex is used to remove introns from the pre-mRNA.
Answer: C
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Which of the following is NOT a public health measure used to control the transmission of disease?
A) sanitary water and waste disposal methods B) immunization C) forced quarantine D) genetic engineering
Vertebrates have four Hox gene clusters that control the anterior-posterior axis. Indicate whether the statement is true or false
Naturally-produced penicillins are most effective against gram-positive bacteria because _______.
Fill in the blank(s) with the appropriate word (s).
Which statement is False?
What will be an ideal response?