DNA & RNA Vocabulary Flashcards

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1
Q

Double Helix

A

The shape of a DNA molecule.

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2
Q

Nitrogen Bases

A

Molecules that contain nitrogen and other elements.

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3
Q

Adenine

A

A purine base that codes hereditary information in the genetic code in DNA and RNA.

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4
Q

Thymine

A

A pyrimidine base that is one of the four bases coding genetic information in the polynucleotide chain of DNA.

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5
Q

Guanine

A

A purine base that codes genetic information in the polynucleotide chain of DNA or RNA.

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6
Q

Cytosine

A

A pyrimidine base that codes genetic information in the polynucleotide chain of DNA or RNA.

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7
Q

Gene

A

A sequence of DNA that determines a trait and is passed from parent to offspring.

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8
Q

DNA

A

Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring.

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9
Q

Chromosomes

A

A threadlike structure within a cell’s nucleus that contains DNA that is passed from one generation to the next.

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