Exam 3 Practice
1. The scientist that worked out the steps of fermentation was
A. Buchner.
C. Krebs.
B. Pasteur.
D. von Leibig.
2. The scientist that worked out how fermentation related to the total breakdown of glucose was
A. Buchner.
B. Pasteur.
C. Krebs.
D. von Leibig.
3. (2) Explain why the investment phase of glycolysis is performed?
4. The ATP made from glycolysis happens because of
A. direct phosphorylation.
C. oxidative phosphorylation.
B. photophosphorylation.
D. something you did.
5. The enzyme of glycolysis that splits glucose is called
A. scissorase.
C. mutase.
B. Aldolase.
D. kinase.
6. (3) Cite where and why the carbon dioxide is released from cellular respiration under aerobic
condition?
7. The number of NADH’s produced by glycolysis and the Krebs cycle per glucose is
A. 2.
B. 34.
C. 8.
D. 6.
8. The transport step between glycolysis and the Krebs cycle occurs because of the
A. mitochondrial membranes.
B. distance.
C. volatility of pyruvate.
D. size of pyruvate.
9. The starting molecule of the Krebs cycle that is combined with the acetyl group from glycolysis is
called
A. dehydrogenase.
.
B. citric acid
C.  ketoglutarate.
D. oxaloacetic acid.
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10. (2) Explain why the rearrangement portion of the Krebs cycle is needed?
11. The total number of ATP’s produced directly from glycolysis and the Krebs cycle per glucose is
A. 2.
B. 4.
C. 6.
D. who do we appreciate?
12. (4) Describe and draw a diagram that would show the principles behind ATP production via the
Electron Transport Chain
13. (2) Explain the role of NADH + H+ and FADH2 play in the production of ATP?
14. The final electron acceptor of the ETS is
A. cytochrome C3.
C. sodium.
B. hydrogen.
D. oxygen.
15. The waste product produced by the ETS is
A. CO2.
C. H2O.
B. NADPH.
D. NH3.
16. (2) Cite two reasons why lipids are not used as the primary energy releasing molecule?
17. One of the easiest ways to regulate ATP production by cells is by ? production
A. ATP
B. NADH
C. no way Jose can you regulate
D. hormone
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18. (2) Explain why you couldn’t exist on the lactic acid shuttle even if you remained “real” quiet the
rest of your life?
19. (2) Explain the interrelatedness of photosynthesis and cellular respiration?
20. The scientist that discovered the process of meiosis in salamander ovaries was
A. Fleming.
B. Weismann.
C. Pasteur.
D. your mom.
21. Binary fission is performed by prokaryotes when
A. times are good.
C. they feel the urge.
B. times are bad.
D. variability is needed.
22. (3) Explain the difference between the asexual reproductive strategies practiced by animals called
fission and fragmenting?
23. (2) Fill-in the blanks to complete the following sentence.
When plants practice alteration of generation the diploid organism is called a
while the haploid organism is called a
,
.
24. (3) Describe two external cues that would stimulate a cell to divide.
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25. (4) Draw and label the cell cycle and give approximate time divisions based on a twenty-four hour
cycle?
26. (4) Explain the relationship between cyclin, cyclin dependent kinase, and mitotic promoting factor
in the cell cycle?
27. Tumors that have blood vessels starting to invade their mass are classified as ? tumors.
A. benign
B. malignant
C. metastasizing
D. shareant
28. (2) List a phase of mitosis and describe the major events which occur in this phase.
29. Cytokinesis differs between plants and animals by the generation of the
A. spindle fibers.
B. whole thing.
C. amount of tubulin used
D. cleavage furrow.
30. (3) List three differences between meiosis and mitosis?
31. The energy required for separation during anaphase comes directly from
A. ATP.
B. glycolysis.
C. the electron transport chain.
D. the bases of DNA.
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32. The proteins that are associated with the sister chromatids are called
A. tubulins.
B. actins.
C. histones.
D. chromatins.
33. (2) Explain the difference between sister chromatids and homologous pairs?
34. The goal of meiosis II is to separate the
A. sister chromatids.
C. homologous chromosomes.
B. homologous pairs.
D. twins at birth.
35. Nondisjunction that occurs in anaphase I of meiosis effects ? of the gametes
A. all
B. some
C. half
D. none
36. (2) Describe why chromosomal disruptions could be a good thing for the organism?
This spring (2016) your exam only goes to here.
37. (3) Distinguish between Mendel’s Principle of Segregation and his Principle of Independent
Assortment?
38. The number or types of gametes formed by an organism with a genotype of AaBbCCDdEe is
A. 10.
B. 16.
C. 8.
D. 5.
39. (5) Draw a Punnet square to show the F1 outcome (phenotypic and genotypic ratios) of a
complete dominant monohybrid cross between a heterozygote and a homozygote recessive for
flower color (red vs. white)?
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40. Mendel’s testcrosses were performed to identify
A. homozygous dominant.
C. heterozygous dominant.
B. homozygous recessive.
D. an unknown dominant.
41. (2) Distinguish between a gene and a chromosome?
42. (5) Draw a Punnet square to show the F1 outcome (phenotypic and genotypic ratios) of a
complete dominant dihybrid cross between two heterozygotes for flower color (red vs. white) and
plant size (tall vs. dwarf).
43. Penetrance relates to
A. how readily various genes are expressed into the phenotype.
C. how one gene expressed affects the expression of another gene.
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B. gene interactions.
D. sound genes.
Practice Exam 3
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