In prokaryotes, the 30S pre-rRNA transcript is cleaved into:
A. two rRNAs.
B. three RNAs.
C. two rRNAs and tRNA.
D. three RNAs and tRNA.
E. multiple copies of three specific RNAs plus tRNA.
D
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Methicillin is a medicine that inhibits cell wall production. Why does this make it a suitable antibiotic for eliminating bacterial infections in humans?
A. Human cells do not have cell walls. B. Human cells and bacterial cells are completely different, so methicillin does not affect human cells. C. All humans have a gene giving methicillin resistance. D. Human cells have a plasma membrane in addition to the cell wall that allows them to survive in the presence of methicillin. E. The cell wall of human cells is not sensitive to methicillin.
The outermost electron ________ of an atom can interact with other atoms to form a molecule
Fill in the blank(s) with correct word
Compare and contrast the intercellular junctions that allow communication between plant and animal cells
What will be an ideal response?
"Rapture of the deep" is characterized by ____.
A. increased O2 in the blood B. altitude sickness C. excess CO2 in the blood D. excess CO in the blood E. euphoria