DNA

DNA aka deoxyribonucleic acid

Deoxyribonucleic acid, or DNA, ia a macromolecule that determines traits of living things. A DNA molecule is made up of nucleotides joined together by chemical bonds.

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​What is it?

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Multiple Choice

What does DNA determine?

• traits of living things

• traits of nonliving things

• organization of living things

• Did Not Attempt

Each nucleotide is made of 3 parts: a sugar, the phosphate group, and a nitrogenous base.

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​What is it made of?

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The sugar known as a deoxyribose and the phosphate group make up the sides of the DNA molecule.

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​What is it made of?

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Multiple Choice

How many parts make up a nucleotide?

• One

• Two

• Three

• Four

Multiple Select

What are the parts of a nucleotide?

• sugar

• nucleotide

• nitrogenous base

• phosphate group

A living thing's genetic code is determined by the sequence of bases that are found in the center of the molecule. Adenine always pairs with thymine and cytosine with guanine.

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​What does it determine?

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Multiple Select

What are the names of the nitrogenous bases?

• adenine

• cytosine

• thymine

• guanine

Multiple Choice

Adenine always pairs with...

• thymine

• cytosine

• guanine

• adenine

Multiple Choice

Cytosine always pairs with...

• thymine

• cytosine

• guanine

• adenine

Multiple Choice

Thymine always pairs with...

• thymine

• cytosine

• guanine

• adenine

Multiple Choice

Guanine always pairs with...

• thymine

• cytosine

• guanine

• adenine

The molecule gets twisted into a shape known as a double helix.

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What is the shape of DNA?

Multiple Choice

What is the shape of DNA?

• double helix

• single helix

• squiggle

• twisty step looking thing

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​https://learn.genetics.utah.edu/content/labs/extraction