study guide 4.4 Flashcards by Sophie Pugh

Q

What type of mutation can be silent?

A

a point mutation

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Q

What can the outcome of frameshift mutation have?

A

extensive missense

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Q

What is the start codon in an mRNA sequence?

A

AUG

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Q

Explain what missense is

A

one amino acid in the sequence is changed

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Q

During what process in the codon table used?

A

mRNA translation

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Q

What is insertion?

A

one or more amino acid is added to the sequence

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Q

When do mutations commonly happen?

A

during DNA replication

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Q

Do mutations increase or decrease fitness in the environment?

A

decrease

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Q

A site

A

matches tRNA and mRNA codon

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Q

P site

A

holds tRNA carrying growing polypeptide chain

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Q

E site

A

empty tRNA leaves ribosome from exit

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