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Copy of Exit Ticket - Translation Models (5/28/2026)
By Jason Poe
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Last updated about 2 hours ago
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What does a codon consist of?
Two nucleotides in DNA.
Single amino acid code.
One nucleotide sequence.
Three nucleotides in mRNA sequence.
What role do tRNA molecules play?
They encode DNA information.
They splice introns from mRNA.
They bring amino acids to the ribosome.
They create mRNA sequences.
What pair of bases is found in mRNA?
Thymine pairs with Uracil.
Guanine pairs with Cytosine.
Adenine pairs with Uracil, not Thymine.
Adenine pairs with Thymine.
Which molecule contains codons?
Messenger RNA (mRNA) carries codons.
Transfer RNA (tRNA).
Ribosomal RNA (rRNA).
DNA in the nucleus.
What does the sequence of codons determine?
The design of tRNA molecules.
The sequence of DNA replication.
The order of amino acids in a protein.
The structure of ribosomes.
What occurs during the elongation phase of translation?
Ribosome detaches from mRNA
Amino acids are sequentially added to the polypeptide chain
Stop codon is recognized
tRNA is replaced by mRNA
What signals the end of translation?
Recognition of a stop codon
Disassembly of ribosome
Start codon recognition
Amino acid shortage
How is mRNA translated into protein?
By pairing codons with complementary tRNA anticodons
Through DNA ligation
By reversing RNA to DNA
During RNA replication
How does termination of translation occur?
Releases factors recognize stop codons on mRNA.
Ribosome moves backwards on mRNA.
A loop forms in the mRNA.
tRNA stops binding to mRNA.
Which molecule carries the template for translation?
DNA transfers code to ribosomes.
mRNA carries the genetic code from DNA.
tRNA brings amino acids in order.
rRNA synthesizes proteins directly.