What type of alterations must occur to modify the pre-mRNA?


Answer: Both 5' cap and 3' poly A tail

Biology & Microbiology

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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.

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology

Inactivated X chromosomes form dark spots in the nuclei of stained cells known as ________

Fill in the blank with correct word.

Biology & Microbiology