Answered

Which of the following is true of RNA compared to DNA?
a. It lacks phosphate groups.
b. It is a single-stranded molecule.
c. Its nucleotides do not have sugars.
d. It contains four different nucleotides.



Answer :

Kalahira
The correct answer is B. It is a single-stranded molecule. It does not lack phosphate group but rather has a different one so there's also 4 but they're a bit different. Unlike the DNA that is a double spiraling strand, the RNA is just a single strand that goes on and on. Although similar, it does completely different things from the DNA.
mlevans0926
I think b. It is a single-stranded molecule.

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