Discovering DNA

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Questions and Answers

What is the structure of DNA?

The double helix structure

What is the difference between DNA and RNA?

RNA is single-stranded while DNA is double-stranded

What are the four bases in DNA?

Adenine, thymine, guanine, cytosine

Where is DNA found in the cell?

<p>In the nucleus</p> Signup and view all the answers

How many chromosomes do humans have?

<p>23 pairs / 46 individual</p> Signup and view all the answers

Which two scientists determined the structure of DNA?

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

What is the main difference between DNA and RNA?

<p>DNA is double-stranded, while RNA is single-stranded (B)</p> Signup and view all the answers

What is the function of RNA in the body?

<p>Codes for proteins (C)</p> Signup and view all the answers

What is the term for a section of DNA that is cut up into specific lengths?

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

How many pairs of chromosomes do humans have?

<p>23 (D)</p> Signup and view all the answers

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