Unravel the Mystery of DNA

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Questions and Answers

What is the percentage of non-coding region in the nuclear genome?

  • 2%
  • 97%
  • 3%
  • 98% (correct)

How is mitochondrial DNA inherited?

  • From the father only
  • From both mother and father
  • From both parents but with a higher contribution from the mother
  • From the mother only (correct)

What is the composition of a nucleotide in DNA?

  • Phosphate, deoxyribose sugar, base (A, T, G, C) (correct)
  • Phosphate, pentose sugar, base (A, T, G, C)
  • Phosphate, hexose sugar, base (A, T, G, C)
  • Phosphate, ribose sugar, base (A, T, G, C)

What percentage of the nuclear genome is coding region?

<p>2% (A)</p> Signup and view all the answers

What percentage of the mitochondrial genome is non-coding region?

<p>3% (D)</p> Signup and view all the answers

Which parent(s) contribute(s) to the inheritance of nuclear DNA?

<p>Both mother and father (A)</p> Signup and view all the answers

Which parent contributes to the inheritance of mitochondrial DNA?

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

What did Franklin's x-ray images suggest about DNA?

<p>It was a double helix of even width (C)</p> Signup and view all the answers

What did Chargaff's rules state about base pairing in DNA?

<p>A=T and C=G (A)</p> Signup and view all the answers

What are the three components of a nucleotide?

<p>Phosphate, pentose sugar, and base (D)</p> Signup and view all the answers

How are two nucleotides linked together in a DNA strand?

<p>Phosphodiester bonds between the sugar of one nucleotide and phosphate of another nucleotide (B)</p> Signup and view all the answers

How many strands make up a DNA molecule?

<p>2 (B)</p> Signup and view all the answers

What type of bonds link the two strands of DNA together?

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

Do the two strands of DNA run parallel or anti-parallel to each other?

<p>Anti-parallel (D)</p> Signup and view all the answers

What is the composition of the non-coding region in the nuclear genome?

<p>98% (C)</p> Signup and view all the answers

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