Lecture 12: Translation Flashcards
1
Q
How many steps are in translation? Describe them
A
- there are four steps:
- Step 1: ribosome attaches to mRNA
- Step 2: ribosomes find AUG in mRNA
- Step 3: ribosome brings the tRNAs needed
- Step 4: ribosome reaches a stop
2
Q
What is mRNA?
A
messenger RNA
3
Q
What moves during translation: the mRNA or the ribosomes?
A
the ribosomes
4
Q
What does AUG signal?
A
to start translating
5
Q
What is tRNA? What is their function?
A
- transfer RNA
- they are the actual translator that convert nucleotides to amino acids
6
Q
Do tRNAs carry a specific amino acid? Give an example
A
Yes, AUG=Met
7
Q
What links the different amino acids that make a protein?
A
Peptide Bonds
8
Q
What is the name of the three nucleotides set?
A
codon
9
Q
How does the ribosome stop translating
A
with a signal of a stop codon
10
Q
Transcribe and Translate the following: (you may use the chart)
TACGGGTATACGTACTAACCGATT
A
-TRANSCRIPTION: AUGCCCAUAUCGAUGAUUGGCUAA
-TRANSLATION:
Met Pro Ile Cys Met Ile Gly (stop)
