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Biology > Protein Synthesis > Flashcards

Protein Synthesis Flashcards

1
Q

What is a protein?

A

A chain of amino acids

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2
Q

What does the order of amino acids determine?

A

The protein made

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3
Q

How many bases code for an amino acid?

A

3

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4
Q

How many bases code for a protein?

A

It depends on the protein

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5
Q

How many different amino acids are there?

A

20

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6
Q

Where does transcription occur?

A

In the nucleus of the cell

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7
Q

What happens to the section of DNA that codes for a protein during transcription?

A

It unzips

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8
Q

What forms on the unzipped gene in protein synthesis?

A

A complementary strand of messenger mRNA

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9
Q

What happens after the mRNA has formed on the DNA

A

It peels off and moves into the cytoplasm

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10
Q

Where does translation occur?

A

In the cytoplasm/ribosomes

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11
Q

What happens to the mRNA in translation?

A

It moves into the cytoplasm

It attaches to a ribosome

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12
Q

How are the correct amino acid brought to each triplet code in translation?

A

By tRNA

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13
Q

What does A stand for?

A

Adenine

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14
Q

What does T stand for?

A

Thymine

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15
Q

What does C stand for?

A

Cytosine

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16
Q

What does the G stand for?

A

Guanine

17
Q

If an mRNA molecule forms on an A base, what base is formed on the mRNA molecule?

A

U

18
Q

If an mRNA molecule forms on an C base, what base is formed on the mRNA molecule?

A

G

19
Q

If an mRNA molecule forms on an G base, what base is formed on the mRNA molecule?

A

C

20
Q

If an mRNA molecule forms on an T base, what base is formed on the mRNA molecule?

A

A

21
Q

What does an A base always pair with?

A

T

22
Q

What does a C base always pair with?

A

G

23
Q

What does a G base always pair with?

A

C

24
Q

What does a T base always pair with?

A

A

25
Q

What is a nucleotide made of?

A

A sugar, a phosphate group and a base

26
Q

What shape do the two strands of DNA form?

A

A double helix

27
Q

What happens to an amino acid chain to make it become an enzyme?

A

It folds to make a shape in which substrates fit

Biology (5 decks)

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