DNA
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Questions and Answers

What are the two main components of a DNA polymer?

  • Carbohydrates and nucleobases
  • Phosphate and deoxyribose
  • Polynucleotide chains (correct)
  • Proteins and lipids

Which of the following is NOT a nitrogen-containing nucleobase in DNA?

  • Cytosine (C)
  • Uracil (U) (correct)
  • Guanine (G)
  • Thymine (T)

What type of bond joins the nucleotides in a DNA strand?

  • Hydrogen bond
  • Ionic bond
  • Van der Waals bond
  • Covalent bond (correct)

Apart from DNA, which other molecule is mentioned as a nucleic acid?

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

What is the function of DNA polymer?

<p>Carries genetic instructions (B)</p> Signup and view all the answers

Which of the following is NOT a nitrogen-containing nucleobase in DNA?

<p>Uracil (D)</p> Signup and view all the answers

What type of bond joins the nucleotides in a DNA strand?

<p>Covalent bond (D)</p> Signup and view all the answers

Which macromolecule is NOT listed as one of the four major types essential for all known forms of life?

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

What is the sugar component of a nucleotide in DNA?

<p>Deoxyribose (C)</p> Signup and view all the answers

What is the term used for the simpler monomeric units that compose the DNA strands?

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

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