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15 Questions

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Unravel the Mystery of DNA

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Questions and Answers

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

97%

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?

2% Signup and view all the answers

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

3% Signup and view all the answers

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

Both mother and father Signup and view all the answers

Which parent contributes to the inheritance of mitochondrial DNA?

Only mother Signup and view all the answers

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

It was a double helix of even width Signup and view all the answers

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

A=T and C=G Signup and view all the answers

What are the three components of a nucleotide?

Phosphate, pentose sugar, and base Signup and view all the answers

How are two nucleotides linked together in a DNA strand?

Phosphodiester bonds between the sugar of one nucleotide and phosphate of another nucleotide Signup and view all the answers

How many strands make up a DNA molecule?

2 Signup and view all the answers

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

Hydrogen bonds Signup and view all the answers

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

Anti-parallel Signup and view all the answers

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

98% Signup and view all the answers