PRACTICE TEST FOR DNA
1-3. List the three components of a nucleotides.
4. Sugar, phosphate and bases are the building blocks of the DNA molecule. What do we call these building blocks?
5. Which of the two bases is found in RNA. A. Uracil B. Thymine
6. Which of these two bases is only found in DNA A. Uracil B. Thymine
7. Which is double stranded? DNA or RNA
8. Name the two purines.
For questions 9-13 refer to the following sense strand of DNA: T-A-C-G-G-A-T-T-A-T-C-C-A-T-C
9. Write the antisense strand.
10. Write the messenger RNA from the DNA strand.
11. Write the anticodons from the messenger RNA.
12. Place the proper amino acids from the chart-DNA dictionary.
13. How many amino acids will used with the above strand?
A. 1 B. 2 C. 3 D. 4 E. 5
14. Where is the mRNA made:
A. Nucleus B. Mitochondrium C. Cytoplasm D. Golgi Body E. Plasma membrane
15. How does the mRNA leave the nucleus? It leaves through the ______.
For questions 16-17 use the following: A. Translation B. Transcription
16. The making of proteins 17. The making of mRNA
18. What is the name of the sugar in DNA? A. Deoxyribose B. Ribose
19-20. Name two mutagens.
21. How many amino acids are used in human protein synthesis? A. 25 B. 64 C. 21 D. 48 E. 20
22. What are the genes? A. the sugar and phosphate backbone B. The sequence of the bases
C. The number of DNA molecules D. The total number of nucleotides E. None of the above
23. All proteins begin with what codon?
24. Name the amino acid that all proteins begin with.
25. Which of the following types of RNA contains amino acids and anticodons?
A. rRNA B. tRNA C. mRNA
26. Chromosomes are composed of which two components?
27. Which of the following equations is indicative of protein synthesis?
A. DNA----protein-----RNA
B. RNA----Protein----DNA
C. DNA----RNA-----Protein
28. Write the structure of an amino acid.
29. In what organelle are proteins made?
A. Golgi apparatus B. Mitochondria C. Nucleus D. Nucleolus E. Ribosomes
30. What splits the DNA molecule during chromosome replication?
A. Enzymes B. Bases C. Hydrogen ions D. Water
FOR THE NEXT 11 QUESTIONS INDICATE WHETHER THE STRUCTURAL OR FUNCTIONAL FEATURES ARE FOR
A. DNA ONLY
B. RNA ONLY
C. BOTH DNA AND RNA
D. NEITHER DNA NOR RNA
.31. IS USUALLY SINGLE STRANDED
..32. CONTAINS PYRIMIDINES
.33. CONTAINS DEOXYRIBOSE
34 .IS COILED IN A DOUBEL HELIX
35.CONTAINS THYMINE
36.CONTAINS CYTOSINE
37.CONTAINS URACIL
38. BRINGS AMINO ACIDS TO THE RIBOSOME
39.IS INVOLVED IN TRANSCRIPTION
40. IS INVOLVED IN TRANSLATION
41-45. PLACE THE PROPER ORGANELLE FOR THE FOLLOWING PHRASES: USE THESE ORGANELLES.
A. NUCLEUS
B. CYTOPLASM
C. RIBOSOME
D. NUCLEAR MEMBRANE
E. DNA
F. mRNA
G. tRNA
H. rRNA
I. ANTICODON
J. CODON
K. NUCLEOLUS
41. TRANSCRIPTION TAKES PLACE HERE.
42. TRANSLATION TAKES PLACE HERE.
43 CONTAINS ANTICODONS.
44. THE RIBSOMES ARE COMPOSED OF THIS.
45. CONTAINS THYMINE.