Genetics 1 Review

When using your codon chart, what sequence can you use to find the correct amino acid?

• DNA

• mRNA

• tRNA

• Any of these will do

How many nucleotides make up a codon?

• 1

• 3

• 5

• 15

What process is going on in this photo? 

• Transcription 
• Translation 
• Replication 
• All the above 

Tags

NGSS.HS-LS1-1

What amino acid is represented by the codon UUA?

• Phenylalanine
• Tyrosine
• Leucine
• Stop codon

Which amino acid pairs with the codon AGA

• Thr
• Arg
• Ala
• Glu

Select the stop codons.

• UAA

• UGA

• UAU

• UAG

What is the first step of DNA replication?

• Closing

• Copying

• Proofreading

• Unzipping

What are the proper complementary base-pairs?

• A--T and G--C

• A--G and C--T

• G--T and A--C

• A--C and T--G

T A G G A C T

The complementary strand is...

• T A G G A C T

• A T G G T G A

• A T C C T G A

• T T C C A G T

Enzyme that breaks hydrogen bonds (unzips)

• Ligase

• Polymerase

• Primase

• Helicase