B Form vs A Form of DNA Structure

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Questions and Answers

What percentage of cellular RNA does Ribosomal RNA (rRNA) form?

  • Less than 1%
  • 5%
  • 15%
  • 80% (correct)

Which type of RNA is translated into a specific protein?

  • rRNA
  • tRNA
  • snRNA
  • mRNA (correct)

What stabilizes the clover-leaf appearance of Transfer RNA (tRNA)?

  • Peptide bonds
  • Glycosidic bonds
  • Hydrogen bonds between complementary bases (correct)
  • Disulfide bonds

Which region of Messenger RNA (mRNA) carries the code for the synthesis of specific proteins?

<p>Translated coding sequence (B)</p> Signup and view all the answers

Which type of RNA forms less than 1% of cellular RNA?

<p>Small nuclear RNA (snRNA) (A)</p> Signup and view all the answers

What is the primary function of Transfer RNA (tRNA)?

<p>Translation of mRNA into proteins (B)</p> Signup and view all the answers

Ribosomal RNA (rRNA) forms approximately 70% of total RNA.

<p>False (B)</p> Signup and view all the answers

Transfer RNA (tRNA) forms 15% of cellular RNA.

<p>True (A)</p> Signup and view all the answers

Messenger RNA (mRNA) is the only type of RNA that is translated.

<p>True (A)</p> Signup and view all the answers

Ribosomal RNA (rRNA) is associated with proteins to form ribosomes.

<p>True (A)</p> Signup and view all the answers

Small nuclear RNA (snRNA) forms more than 1% of cellular RNA.

<p>False (B)</p> Signup and view all the answers

The clover-leaf appearance of Transfer RNA (tRNA) is stabilized by hydrogen bonds between complementary bases.

<p>True (A)</p> Signup and view all the answers

Messenger RNA (mRNA) carries messages from ribosomes to DNA.

<p>False (B)</p> Signup and view all the answers

Ribosomal RNA (rRNA) has a clover-leaf appearance.

<p>False (B)</p> Signup and view all the answers

Transfer RNA (tRNA) has three regions: leading, coding, and tailing sequences.

<p>True (A)</p> Signup and view all the answers

Messenger RNA (mRNA) ends its 3’ untranslated tailing sequence with a cap.

<p>False (B)</p> Signup and view all the answers

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