DNA and RNA Chemical Structure and Function | Baamboozle - Baamboozle

What is the name of the sugar found in a DNA molecule?

Deoxyribose

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What is this chemical and what does it do for DNA and RNA?

A phosphate. This chemical bonds the sugar molecules together in the molecules' backbones.

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Choose letter A, B, C or D. Which chemical is a nitrogenous base?

Chemical C is the nitrogenous base

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What would be a complementary DNA strand to the bases AATTGGCC

TTAACCGG

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Can you name two purines?

Adenine and Guanine

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What is a gene in DNA?

A gene is a small section of DNA that codes for a specific protein or trait.

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Guanine always base pairs with (or hydrogen bonds to) ______________.

Cytosine

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True of False: Uracil is a nitrogenous base found in DNA.

False: Uracil is only found in RNA

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Notice how one strand of DNA appears upside down as it bonds with the other. What do we call this molecular arrangement in DNA strands?

Antiparallel

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In a RNA molecules Uracil takes the place of ___________.

Thymine

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What are amino acids? What do they have to do with DNA?

Amino acids are the building blocks of proteins. DNA provides the instructions to assemble them into the correct sequence to make a protein.

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In the picture above, one of the nitrogenous bases has been knocked out by ultraviolet radiation. What is the consequence of this?

The original DNA sequence has been altered. You can call this a mutation. This will affect how mRNA is made and how a protein is made.

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What does a DNA nucleotide consist of?

A deoxyribose sugar, a phosphate, and a nitrogenous base

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