DNA Flashcards

1
Q

What does the nucleus contain?

A

Chromosomes

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2
Q

What are chromosomes?

A

Strands of DNA

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3
Q

What are genes?

A

Sections of DNA molecules that determine the sequence of amino acids that make up the different types of proteins produced in cells

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4
Q

What is DNA?

A

DNA is made up of two long chains of sugar and phosphate molecules connected by bases

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5
Q

What is the structure of DNA?

A

It is twisted to form a double helix

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6
Q

What are the four bases?

A

Adenine (A), Thymine (T), Cytosine (C) and Guanine (G)

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7
Q

What are the complimentary base pairings?

A

Adenine (A) and Thymine (T)

Cytosine (C) and Guanine (G)

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8
Q

How does DNA work?

A

Every 3 bases form a triplet code
This code determines the order in which different amino acids are linked to form different proteins during protein synthesis

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9
Q

When was DNA discovered?

A

1953

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10
Q

Which two scientists were credited with the discovery?

A

Francis Crick and James Watson

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