Which of the Following Statements About the 5 End of a Polynucleotide

question 33

Multiple Choice

Which of the following statements about the 5 end of a polynucleotide strand of RNA is correct?

• A) The 5 end has a hydroxyl group attached to the number 5 carbon of ribose.
• B) The 5 end has a phosphate group attached to the number 5 carbon of ribose.
• C) The 5 end has phosphate attached to the number 5 carbon of the nitrogenous base.
• D) The 5 end has a carboxyl group attached to the number 5 carbon of ribose.

---

Definitions:

Genetic Composition

The specific arrangement and interaction of genes within an organism, determining its hereditary traits.

Female Fetus

An unborn offspring developing within the womb, characterized by XX chromosomes, leading to the development of female sex characteristics.

Gonads

The reproductive organs in both males and females that produce gametes; testes in males and ovaries in females.

Biological Sex

The classification of individuals as male or female based on physical and genetic characteristics, such as chromosomes, hormones, and reproductive organs.