Final Exam Practice
1. The investigator(s) that transformed bacterial viruses to show that protein was not the inherited
molecule was/were
A. Griffith.
B. Watson and Crick.
C. Delbruck, Hershey, and Chase.
D. Franklin.
2. The investigator(s) that discovered the helical, repetitive, and uniform diameter of DNA was/were
A. Griffith.
B. Watson and Crick.
C. Delbruck, Hershey, and Chase.
D. Franklin.
3. (2) Explain the relationship between adenine and thymine in the genome of an earthworm?
4. The investigator(s) that discovered the principle supporting question #3 was/were
A. Griffith.
B. Watson and Crick.
C. Chagraff.
D. Luria.
5. (4) Explain the role in DNA replication for the following enzymes: DNA polymerase and DNA
helicase?
6. When building a new DNA strand during replication, the new nucleotides are added to the ? end
of the growing chain.
A. 3’
B. 5’
C. left
D. either
7. (4) Explain why Okasaki fragments occur during DNA replication?
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8. The DNA genetic code is based on ? nucleotide bases in sequence.
A. 1
C. 4
B. 3
D. many
9. The number of DNA molecules found any human cell except sex cells is
A. 23.
B. 46.
C. always changing.
D. way too many.
10. (6) The central dogma of biological information flow that was first proposed by Francis Crick is
shown below. Use the information to answer questions a through c.
DNA  RNA  Protein
A
B
C
a) The process of information transfer from A to B is called
.
b) The process of information transfer from B to C is called
.
c) The macromolecule that contains an anticodon is called
.
11. (4) Describe the role of the transcription factors in when building any RNA molecule?
12. (6) Decipher the following code (paying careful attention to orientation!) Use the table at the end
for assistance?
5’ A T G C G T A T T G C T A C G T A G C G T 3’
Non-coding
Coding
mRNA
Amino Acid Sequence
13. (4) Diagram or explain the events of initiation when copying mRNA into protein?
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14. Once constructed a protein must be ? before becoming functional.
A. moved out of the nucleus
B. capped and tailed
C. pampered and caressed
D. folded and conformed
15. (4) Trace the sequence of organelles when a protein is destined for transport out of a cell?
16. The investigator that came up with the idea of uniformitarianism to explain the geological record
was
A. Darwin.
B. Malthus.
C. Hutton.
D. Lyell.
17. (2) Explain the principle behind using radioisotopes to age fossils?
18. The data the Darwinists claim which provides the best evidence for evolution is the
A. fossil record.
B. taxonomic data.
C. molecular data.
D. all the above.
19. Analogous structures are said to have a different structure but the same
A. size.
B. function.
C. name.
D. location.
20. (3) Describe how a mechanical pre-zygotic barrier prevents speciation?
21. (3) Describe what is meant by the phrase “That union will not produce viable offspring”?
22. The mode of speciation which occurs because of some huge geological disaster is called a/an
A. parapatric mode.
B. sympatric mode.
C. allopatric mode.
D. pie-ala mode.
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23. (4) Describe two naturally occurring causes of extinction of a species?
24. A population is defined as ? living in the same place
A. a bunch of organisms
C. the same species
B. humans
D. whiney men
25. (4) Define a mutation and explain how they can cause a population to change?
26. Immigration and emigration can cause
A. genetic drift.
C. mutations.
B. gene flow.
D. bottle neck effects.
27. (4) Explain how stabilizing effects can change population dynamics?
28. (4) Explain the principles that support the idea of a mosaic form of population evolution?
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Review your previous exams for the comprehensive portion of the final, paying particular attention
to the highlighted or missed most often questions from each of the previous exams.
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