5.4 Study Guide Flashcards

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1
Q

What does a mutation do?

A

change the base sequence in a DNA molecule

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2
Q

What is a point mutation?

A

substitution of a single base

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3
Q

What is a silent mutation?

A

no amino acid change; redundancy in code

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4
Q

What is a missence mutation?

A

change amino acid

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5
Q

What is a nonsence mutation?

A

change to stop codon

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6
Q

What can a point mutation lead to?

A

sickle cell anemia

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7
Q

What types of mutations are frameshifts?

A

insertion and deletion

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8
Q

What is insertion?

A

adding bases

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9
Q

What is deletion?

A

losing bases

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10
Q

Where do most mutations occur?

A

during DNA replication

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11
Q

What is translation?

A

the making a protein using codons on mRNA as instructions

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12
Q

What are triplets of mRNA?

A

codons

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13
Q

What are triplets of tRNA?

A

anticodons

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14
Q

What is the role of mRNA?

A

contain message/code for amino acid sequence

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15
Q

What is the role of tRNA?

A

transfers amino acids, contains anticodons that pair with mRNA codons to put a.a. in the correct order

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16
Q
A