DNA and RNA Structure and Function
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Questions and Answers

DNA falls under ______ acids category along with RNA

nucleic

RNA is ______-stranded while DNA is double-stranded

single

DNA nucleotides have four nitrogen bases (adenine, thymine, guanine, ______)

cytosine

RNA nucleotides have uracil instead of ______

<p>thymine</p> Signup and view all the answers

DNA is double-stranded and follows base pairing rules where adenine pairs with ______

<p>thymine</p> Signup and view all the answers

New nucleotides are added to the three prime end of growing DNA or RNA strands, following the five prime to three prime ______

<p>direction</p> Signup and view all the answers

Study Notes

  • DNA falls under nucleic acids category along with RNA and serves to store and transmit hereditary information.
  • Nucleic acids pass on genetic information based on the sequence of nucleotides.
  • RNA and DNA are both polymers made of nucleotide monomers, but RNA is single-stranded while DNA is double-stranded.
  • Nucleotide monomers consist of a five-carbon sugar, a phosphate group, and a nitrogen base.
  • DNA nucleotides have four nitrogen bases (adenine, thymine, guanine, cytosine), while RNA nucleotides have uracil instead of thymine.
  • Nucleic acids are composed of carbon, hydrogen, oxygen, nitrogen, and phosphorus elements.
  • DNA and RNA share a sugar-phosphate backbone and nitrogen bases held together by hydrogen bonds.
  • DNA is double-stranded and follows base pairing rules where adenine pairs with thymine and guanine pairs with cytosine.
  • DNA strands run anti-parallel to each other, with one strand being upside down compared to the other.
  • New nucleotides are added to the three prime end of growing DNA or RNA strands, following the five prime to three prime direction.

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Description

Test your knowledge on the structure, composition, and function of DNA and RNA. Learn about nucleic acids, nucleotides, nitrogen bases, sugar-phosphate backbone, base pairing rules, and the differences between DNA and RNA.

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