RNA is significantly less stable than DNA. Based on the structural differences between these molecules, what is a

plausible hypothesis as to why this is?



What will be an ideal response?


ANSWER: DNA is comprised of deoxyribose, which lacks the reactive hydroxyl group that is present in
RNA's ribose. Additionally, DNA is double-stranded, which can protect the nucleotides from
endonucleases.

Biology & Microbiology

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Briefly summarize the four phases of mitosis and cytokinesis

What will be an ideal response?

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In phytoremediation, plants are used to remove ________ and ________ from the soil

A) carbon… heavy metals B) radioactive isotopes… heavy metals C) nitrogen… phosphorus D) water… sulfur

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Middle eastern respiratory syndrome (MERS) is caused by

A) Streptococcus pneumoniae. B) the influenza virus. C) a coronavirus. D) a rhinovirus.

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Which scientist(s) identified the transforming

substance involved in changing rough (R) bacteria to smooth (S)? a. Avery and McCarty b. Griffith c. Chargaff d. Hershey and Chase e. Pauling

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