RNA

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20 Questions

Which of the following is a key difference between RNA and DNA?

RNA is single-stranded while DNA is double-stranded

Which type of RNA serves as a template for protein translation?

mRNA

What is the term for RNA that does not get translated into proteins?

Non-coding RNA

Which type of RNA functions in the spliceosome to remove introns from pre-mRNA?

snRNA

Which type of RNA is needed for the basic structure of the ribosome complex?

rRNA

What is the main chemical difference between RNA and DNA?

Ribose sugar vs deoxyribose sugar

Which of the following is a characteristic of DNA?

Double-stranded helix

What is the term for the RNA transcript that is initially produced from DNA?

Pre-mRNA

Which of the following RNA molecules is associated with proteins subunits to form the core of the spliceosome?

snRNA

Which of the following RNA molecules is involved in the catalysis of the peptide bond between amino acids?

rRNA

Which RNA molecule is responsible for carrying the correct amino acid to the growing polypeptide chain in translation?

tRNA

Which region of the tRNA molecule pairs with the complementary codon in an mRNA molecule?

Anticodon

What is the function of small nuclear RNA (snRNA)?

Splicing of pre-mRNA

Which RNA molecule regulates gene expression by blocking translation of specific mRNA and promoting its degradation?

miRNA

What is the main function of ribosomal RNA (rRNA)?

Important constituents of ribosomes

Which hypothesis explains the redundancy of the genetic code and the ability of some tRNA molecules to base-pair with more than one codon?

Wobble Hypothesis

Which type of RNA can increase or decrease transcription and is involved in X-chromosome inactivation?

lncRNA

Which RNA molecule is an adaptor between mRNA and amino acids in protein synthesis?

tRNA

Which RNA molecule is responsible for direct degradation of specific mRNA to reduce gene expression?

siRNA

Which RNA molecule codes for proteins?

mRNA

Test your knowledge on RNA and its differences from DNA with this quiz. See how well you understand the chemical composition and structure of RNA, including its sugar and base components.

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