Name _____________________________
Date ____________
Period _____
BIOLOGY
Mrs. Stolipher
DNA to Proteins – Ch 9.2, 9.3 & 10.1
Study Guide
1. Ribosomes are made out of
a. RNA & proteins
b. glycoproteins & lipids
c. phospholipids & proteins
d. DNA & proteins
2. DNA replication results in 2 DNA molecules,
a. Each with 2 new strands
c. one with 2 new strands & one with 2 original strands
b. Each with 2 original strands
d. each with 1 new strand & 1 original strand
3. Which type(s) of RNA is/are involved in protein synthesis?
a. tRNA only
c. rRNA only
b. rRNA & mRNA only
d. all 3 kinds of RNA are involved in making proteins
4. How many codons are needed to specify THREE AMINO ACIDS?
a. 3
b. 6
c. 9
d. 12
5. Nitrogen bases with only 1 ring are called
a. Nucleosomes
b. purines
c. pyrimidines
Match the process with its description:
TRANSLATION
TRANSCRIPTION
d. histones
REPLICATION
6. _____________________________ Making a complementary RNA sequence from a DNA code
7. _____________________________ Making a DNA copy of a DNA molecule
8. _____________________________ Making proteins from an RNA message
Match the type of RNA with its description or picture: mRNA
tRNA
rRNA
9. _____________________________ Carries the DNA code from nucleus to cytoplasm
10. _____________________________Adds the correct amino acid to the growing protein chain
11. _____________________________ Combines with proteins to form ribosomes
12. _____________________________Has a codon region
13. _____________________________Has an anticodons region
14. _____________________________
15. _____________________________
16. _____________________________
Answer the following questions. You do not have to use complete sentences.
17. The 3 bases on the tRNA molecule that are complementary to one of the mRNA codons are called the
_________________.
18. According to Chargaff’s rules, which nucleotide is always paired with adenine IN A DNA MOLECULE?
19. Where in the cell does transcription take place?
20. Where in the cell does translation take place?
21. Where in the cell does DNA replication take place?
22. Name the 3 parts of a nucleotide.
23. What are the building blocks of DNA?
24. What are the building blocks of proteins?
25. Which nitrogenous bases are used to build DNA?
26. Which are used to build RNA?
27. What is a purine? A pyrimidine?
28. What is the structure of a DNA molecule?
a. What forms the backbone of the DNA molecule?
b. What forms the “steps of the ladder”?
c. What is Chargaff’s rule?
29. What enzyme plays a role in replication? What are their roles?
30. What is a codon? An anticodon?
31. Makin a copy of DNA is called
32. Which nitrogen base isn’t used during this process?
33. Use the mRNA code wheel/chart to tell the amino acid sequence coded for by the following message:
UCAAAAUUC
34. Give the complementary DNA strand for A T T G C C A G C .
35. What process is going on in this diagram?
36. What structure is represented by each of the following?
a. B =
b. C =
c. D =
d. E =
e. F =
SHORT ANSWERS – Need to be in complete sentences.
37. What role did Rosalyn Franklin & James Watson & Francis Crick play in our understanding of DNA’s structure?
38. What is the difference between:
a. Replication
b. Transcription
c. Translation
39. How is DNA copied?
40. What roles do each of the RNAs play in making proteins?
41. Compare & contrast DNA & RNA.