4.1 - DNA

Front

What is DNA?

Back

DNA (Deoxyribonucleic Acid) is the molecule that carries the genetic instructions for life.

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What does DNA stand for?

Back

DNA stands for Deoxyribonucleic Acid.

Front

What is the shape of a DNA molecule?

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The shape of a DNA molecule is a double helix.

Front

What are the building blocks of DNA?

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The building blocks of DNA are nucleotides.

Front

What are the three components of a nucleotide?

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A nucleotide is made up of a sugar, a phosphate group, and a nitrogenous base.

Front

What are the four nitrogenous bases in DNA?

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The four nitrogenous bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).

Front

How do nitrogenous bases pair in DNA?

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Adenine pairs with thymine (A-T) and cytosine pairs with guanine (C-G).

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What is a gene?

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A gene is a segment of DNA that contains the instructions for making a specific protein.

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What is the function of DNA?

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The function of DNA is to store and transmit genetic information.

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What is a mutation?

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A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.