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Name:______________________________ Block:_______ DNA and Protein Synth WS #2 Protein Synthesis: From DNA to Protein
1. What is RNA?
2. What is the difference between DNA and RNA?
3. What is the structure of RNA? (Three Parts)
4. What are the types of RNA?
5. In protein sysnthesis there are two major steps, what are they?
6. What does Messenger RNA Do?
7. What does transfer RNA do?
8. What does Ribosomal RNA Do?
Daintrey’s Doings J 1 Name:______________________________ Block:_______ DNA and Protein Synth WS #2 9. Synthesize the steps of translation into 5
1
2
3
4
5
10. Label the following diagram with all of the following terms:
Transcription, translation, DNA, mRNA, tRNA, ribosomes, amino acids,
anticodons
Daintrey’s Doings J 2 Name:______________________________ Block:_______ DNA and Protein Synth WS #2 11. What are the three steps to translation?
12. Complete the table below. Use the following DNA sequence.
CGGCTATTCGACCCTTACGGTATTGGG
DNA Triplet
CGG
mRNA Codon
GCC
tRNA antiCodon
CGG
13. DNA sequences are often used to determine relationships between
organisms. DNA sequences that code for a particular gene can vary,
although organisms that are closely related will have very similar
sequences. This table shows the amino acid sequences of 4 organisms.
Based on these sequences, which two organisms are the most closely
related? Explain.
Human:
CCATAGCACCTA
Chimpanzee:
CCATAACACCTA
A Pig:
CCATGTAAACGA
Cricket:
CCTAAAGGGACG
14. What is the start codon? _______________
Daintrey’s Doings J 3 Name:______________________________ Block:_______ DNA and Protein Synth WS #2 15. What are the stop codons?
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16. How are amino acids joined together?
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17. What is a p and an a site
18. Where is the new protein sent for final processing?
19. 20. Daintrey’s Doings J 4 Name:______________________________ Block:_______ DNA and Protein Synth WS #2 21. 22. 23. Daintrey’s Doings J 5 Name:______________________________ Block:_______ DNA and Protein Synth WS #2 24. 25. 26. Daintrey’s Doings J 6