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DNA Structure and Length Quiz

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Questions and Answers

What is the approximate length of the DNA molecule in Escherichia coli?

9.2 × 10^6 base pairs

4.6 × 10^6 nucleotides

4.6 × 10^6 base pairs (correct)

9.2 × 10^6 nucleotides

Which of the following organisms has the shortest DNA length?

Bacteriophage φX174 (correct)

Human

Bacteriophage lambda

Escherichia coli

What is the difference in the length of DNA between bacteriophage lambda and Escherichia coli?

4.1146 × 10^9 bp

4.3646 × 10^6 bp

4.3646 × 10^9 bp

4.1146 × 10^6 bp (correct)

How many times longer is the human haploid DNA compared to bacteriophage lambda?

If the DNA of an organism contains 10^8 base pairs, how many nucleotides will it contain?

<p>2 × 10^8</p> Signup and view all the answers

Study Notes

DNA Structure and Length

DNA is a long polymer composed of deoxyribonucleotides.
DNA length is measured by the number of nucleotides or base pairs.
DNA length characteristics are organism-specific.
Bacteriophage φ ×174 has 5386 nucleotides.
Bacteriophage lambda has 48,502 base pairs.
Escherichia coli has 4.6 × 10⁶ base pairs.
The haploid human DNA content is 3.3 × 10⁹ base pairs.

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Description

Test your knowledge on the structure and length of DNA through this engaging quiz. Explore how DNA is measured in nucleotides and base pairs and compare the genetic material of various organisms. Challenge yourself with questions that include notable examples like Escherichia coli and human DNA content.