PreAP Biology Unit 4 Review

A mutation is?

• Any change in DNA
• Any change in RNA
• Any change in the genetic code

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NGSS.HS-LS3-2

Mutations affect the ________ of a protein. Because of this the proteins ______ is affected as well. 

• gene, function 
• sequence, gene
• shape,function

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Why are framshift mutations harmful?

• They cause chromosomes to break
• Every amino acid following the mutation will be different
• They cause the DNA to relocated
• They burn out your clutch

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What situation causes a deletion?

• Part of the chromosome is missing
• Part of the chromosome is attached backwards
• Part of the chromosome breaks off and attaches to a different chromosome
• Part of a chromosome is duplicated 

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NGSS.HS-LS3-2

In an unmutated strand of DNA having 40 molecules of thymine means you also have 400 molecules of?

• Adeninie
• Cytosine
• Guanine

Which type of mutation occurs when there is an addition or removal of a base?

• missense mutation

• nonsense mutation

• frameshift mutation

• point mutation

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NGSS.HS-LS3-2

A type of mutation that affect every codon beyond the point of mutation.

• Point Mutation

• Silent Mutation

• Nonsense Mutation

• Frameshift Mutation

What are the building blocks of proteins called?

• DNA
• RNA
• Ribosomes
• Amino Acids

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NGSS.HS-LS1-1

What is a Gene?

• A segment of RNA that encodes for a protein
• A chromosome
• A segment of DNA that encodes for a protein
• Your genome

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NGSS.HS-LS1-1

Are all mutations bad?

• Yes
• No

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