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.
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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.
Briefly summarize the four phases of mitosis and cytokinesis
What will be an ideal response?
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
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