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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