Some RNA viruses, such as HIV, require what enzyme (two words) to convert the viral RNA genome into a DNA version?
What will be an ideal response?
reverse transcriptase
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Organisms that are used to decontaminate soils ____
a. cannot store pollutants in their tissues b. cannot release pollutants into the air c. do not degrade pollutants d. typically die from the pollutants e. release pollutants into the air and/or degrade the pollutants
Members of a(n) r-selected species typically have a short lifespan
____________________ Indicate whether the statement is true or false.
In receptor-mediated endocytosis, receptor molecules initially project to the outside of the cell. Where do they end up after endocytosis?
A) on the outside of vesicles B) on the inside surface of the cell membrane C) on the inside surface of the vesicle D) on the outer surface of the nucleus
Deoxyribose has a carbon atom that is not part of the pentose ring. In a nucleotide, what is attached to this carbon?
A. three hydrogen atoms B. a nitrogenous base C. a phosphate group D. one hydrogen atom