What type of alterations must occur to modify the pre-mRNA?
Answer: Both 5' cap and 3' poly A tail
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A strain of Vibrio cholerae lacking the cholera toxin gene (ctxAB) would be
A. unable to survive outside of the human gut. B. unable to survive inside the human digestive tract. C. unable to cause watery diarrhea. D. unable to adhere to the intestinal epithelium. E. All of these choices are correct.
As the human body grows to trillions of cells, DNA replication occurs about how many times?
A) one billion. B) three trillion. C) 100 trillion. D) 100 quadrillion.
Which one of the following is NOT a component of the translation initiation complex?
A. Small ribosome subunit. B. Large ribosome subunit. C. mRNA. D. tRNA. E. All of these are components of the initiation complex.
Inactivated X chromosomes form dark spots in the nuclei of stained cells known as ________
Fill in the blank with correct word.