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Worksheet: DNA, RNA, and Protein Synthesis, Exercises of Genetics

10 Practice questions on DNA, RNA, and protein synthesis with replication, transcription and translation.

Typology: Exercises

2020/2021

Uploaded on 04/20/2021

leonpan
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Name _______________________________________ Date ______________ Period _______
Worksheet: DNA, RNA, and Protein Synthesis
B I O L O G Y : C h a p t e r 6 - 9
Directions: Use your notes and book to answer the following questions concerning Replication,
Transcription, and Protein Synthesis.
1. Define the following terms:
a. Replication-
b. Transcription-
c. Translation-
2. Break the following DNA sequence into triplets. (Draw a line to separate triplets)
C C G A T A C G C G G T A T C C C A G G G C T A A T T UAA
3. If the above code showed the bases on one strand of DNA, what would the complementary
strand read?
4. What would the code in problem #2 be transcribed into (What would the mRNA sequence
be?)
5. How many codons are there in the above problem?
6. What is the three letter sequence on a tRNA molecule called?
7. How many different amino acids are there that make up all of the proteins in our body?
8. How many different codons are there?
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Name _______________________________________ Date ______________ Period _______

Worksheet: DNA, RNA, and Protein Synthesis

B I O L O G Y : C h a p t e r 6 - 9

Directions : Use your notes and book to answer the following questions concerning Replication, Transcription, and Protein Synthesis.

  1. Define the following terms:

a. Replication -

b. Transcription -

c. Translation -

  1. Break the following DNA sequence into triplets. (Draw a line to separate triplets)

C C G A T A C G C G G T A T C C C A G G G C T A A T T U A A

  1. If the above code showed the bases on one strand of DNA, what would the complementary strand read?
  2. What would the code in problem #2 be transcribed into (What would the mRNA sequence be?)
  3. How many codons are there in the above problem?
  4. What is the three letter sequence on a tRNA molecule called?
  5. How many different amino acids are there that make up all of the proteins in our body?
  6. How many different codons are there?
  1. What would the amino acid sequence be translated from the mRNA sequence in problem #4? (Use the Genetic Code table below to translate)
  2. Complete the table below. Use the following DNA sequence.

C G G C T A T T C G A C C C T T A C G G T A T T G G G

DNA triplets mRNA codon tRNA anticodon

CGG GCC CGG