Analysis of a Certain Polymer Shows That It Contains Phosphate

question 39

Multiple Choice

Analysis of a certain polymer shows that it contains phosphate groups, ribose groups, and pyrimidines. Based on this information, what statement best describes this compound?

• A) It is RNA.
• B) It is DNA.
• C) It is cylic AMP.
• D) It is a polypeptide.
• E) It is an inorganic compound.

---

Definitions:

Acetyl Groups

Functional groups in organic chemistry that consist of a methyl group single-bonded to a carbonyl. The formula is CH3CO-.

Methyl Groups

Chemical groups consisting of one carbon atom bonded to three hydrogen atoms, often involved in modifying DNA or proteins in cells.

Histone

Proteins that package and order the DNA into structural units called nucleosomes, playing a key role in gene regulation.