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Chapter 17: Problem 6

What are the names and abbreviations of the four nucleosides in RNA?

Short Answer

Expert verified
Adenosine (A), Cytidine (C), Guanosine (G), and Uridine (U).

Step by step solution

01

Identify the nucleosides in RNA

RNA consists of four nucleosides: Adenosine, Cytidine, Guanosine, and Uridine.
02

Determine the abbreviations

The abbreviations for the nucleosides are: Adenosine (A), Cytidine (C), Guanosine (G), and Uridine (U).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Adenosine
Adenosine is one of the key nucleosides in RNA. It is composed of the nitrogenous base adenine linked to a ribose sugar. The main role of adenosine in RNA is to store and transfer genetic information. This nucleoside is represented by the abbreviation 'A'. Some of the unique features of adenosine include its participation in energy transfer (ATP) and signaling pathways.

Adenosine triphosphate (ATP), which contains adenosine, is a crucial molecule in cellular metabolism.
Cytidine
Cytidine, with the abbreviation 'C', is another essential nucleoside in RNA. It consists of the nitrogenous base cytosine attached to a ribose sugar. Cytidine plays a fundamental role in coding, decoding, and expression of genes.

An interesting fact about cytidine is its involvement in the conversion to cytidine triphosphate (CTP), which is important for lipid synthesis in cells. This nucleoside is critical for the maintenance and functionality of RNA.
Guanosine
Guanosine is a nucleoside made up of the base guanine and a ribose sugar. Its abbreviation is 'G'. In RNA, guanosine contributes to the structure and stability, as well as plays a part in regulatory processes.

Guanosine is also found in guanosine triphosphate (GTP), an essential molecule for protein synthesis and signal transduction. Another key aspect of guanosine is its role in the formation of the G-quadruplex structures, important for the regulation of various biological processes.
Uridine
Uridine is the nucleoside in RNA with the base uracil joined to a ribose sugar. It is abbreviated as 'U'. Uridine's main job is to help RNA in the coding and translation of genetic information.

Beyond its role in RNA, uridine is involved in carbohydrate metabolism as part of uridine diphosphate glucose (UDP-glucose). This function is essential for the synthesis of glycogen and glycoproteins. Understanding uridine's functions can provide insights into broader cellular activities and metabolic pathways.

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Most popular questions from this chapter

What is the function of the enzyme DNA polymerase in DNA replication?

Write the base sequence in a complementary DNA segment if each original segment has the following base sequence: a. AAAAAA b. G G G G G G c. A G T C C A G G T d. CT GTATA C G T T A

How is protein synthesis affected if the normal base sequence \(\mathrm {CCC}\) in the DNA template strand is changed to \(\mathrm{ACC} ?\)

Identify each of the following bases as a nucleoside or nucleotide: (21.1) a. cytidine b. deoxyguanosine c. adenosine d. deoxythymidine- \(5^{\prime}\) - monophosphate

Match the following statements with rRNA, mRNA, or IRNA: (17.4) a. combines with proteins to form ribosomes b. brings amino acids to the ribosomes for protein synthesis c. acts as a template for protein synthesis
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