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Transcription and Translation Worksheet
1.Fill in the following table about transcription and translation
Transcription
Translation
Where in the cell
Starting material
End product
2. Proteins are made up of _______________________________, which our bodies either make or come from our food.
3. What is the mRNA strand that would be copied from this DNA strand?
G G C
T A T A T C C T G C G C T A T A C G C T A
4. The m in mRNA stands for
.
5. What is the function of mRNA?
6. What are three differences between RNA and DNA?
7. What is the function of tRNA?
8. What structure does the mRNA associate with in the cytoplasm in order to be translated?
9. How is mRNA read at the ribosome
10. What is a codon
11. Where is DNA found in the cell?
cell?
Where is RNA found in the
2
12. If the following strand is a DNA, what is the sequence of the mRNA?
TT A G C G C G G G A T TA A G C T C G A A T A
For the the following sequences, fill in either the DNA, the mRNA sequence, the tRNA anticodons, or the
amino acid sequences (Refer to Genetic code) that have been left blank. If several sequences might work
choose any one.
1. DNA
mRNA
___
A U G
A C U
A G C
U G G
G G G
U A U
U A C
U U U
U A G
tRNA
___
AA
___
2.Draw an mRNA strand that is complementary to the DNA strand AATTGC. Circle a nucleotide.
3. What are the steps of transcription?
3
4.What are the steps in translation?
The Genetic Code:


All proteins start with the initiation codon AUG (Met)
All proteins end with stop codons -either UAA, UGA, or UAG