Larry E. Brown
Biology 1406: General Biology I
Practice Test 3 over Chapters 8, 9, and 10
1. The enzymes of glycolysis are present in the ___.
a. nucleus b. matrix of the chloroplast
c. cytosol
e. inner membrane of the mitochondria
d. matrix of the mitochondria
2. Which of the following applies to oxidation?
a. loss of electrons b. reduction of energy content c. loss of hydrogens
d. all of the former is correct
3. During glycolysis glucose is converted into two molecules of:
a. sucrose
b. lactate
c. pyruvate
d. protein
4. Which chemical reaction is a reduction process?
a. protein digestion b starch digestion c. photosynthesis
d. cellular respiration
5. The outer mitochondrial membrane is surrounded by a/an:
a. inner membrane b. cytosol c. lysosome d. by another membrane
6. The ATP molecule has the nitrogenous base:
a. alanine b. asparagine c. arginine d. adenine
7. Energy in action is termed:
a. potential b. anabolism
c. catabolism
d. kinetic
8. The hydrolysis of ATP releases _______ for biological work:
a. energy b. a nucleotide c. a pentose
d. all of the former
9. A type of metabolism that builds up complex molecules by the release of energy is:
a. catabolism b. anabolism c. endocytosis d. none of the former
10. Using light energy to generate electrical energy is an example of:
a. the creation of electrical energy b. the destruction of light energy
c. transformation d. none of the former
11. What type of energy change occurs in photosynthesis?
a. light to chemical b. chemical to light c. electrical to light d. light to electrical e. none are correct
12. The conversion of proteins to amino acids is an example of:
a. hydrolysis b. condensation c. synthesis d. none are correct
13. The first energy law says:
a. energy is not created b. energy is not destroyed c. energy can be transformed
d. all are correct e. none are correct
14. ADP is changed to ATP by:
a. loss of an electron b. gain of an electron c. loss of a phosphate d. gain of a phosphate e. none are correct
15. Cellular respiration begins in the ______ of the cell:
a. mitochondria b. chloroplast c. Golgi apparatus d. cytosol
16. The substrate enters the ______ of an enzyme:
a. active site b. matrix c. inner membrane d. cytosol
e. none are correct
e. none are correct
17. Which process is a part of the light reactions?
a. Kreb’s cycle b. chemiosmotic c. synthesis of ATP d. none of the former
18. The Krebs cycle occurs between ______ and ______:
a. glycolysis and fermentation b. glycolysis and electron transport c. light reactions and dark reactions
19. During cellular respiration, oxygen is created by combing ______ with _______:
a. H+ with CO2 b. ADP with ATP c. ATP with ADP d. H ions with oxygen e. none are correct
20. Which provides the electrons during the electron transport system?
a. NAD b. ATP c. ADP d. NADPH e. NADH
21. What is the end product during glycolysis?
a. glucose b. citric acid c. pyruvate d. NADPH
22. Which of the following is the final process of cellular respiration?
a. glycolysis b. Krebs cycle c. fermentation d. electron transport
23. Which process releases CO2 molecules during the aerobic series?
a. glycolysis b. alcohol fermentation c. formation of acetyl unit
d. the formation of pyruvate e. none of these
24. Which of the following takes part only in the dark reactions?
a. carbon dioxide b. glucose c. water d. NADPH
25. Which of the following membranes is involved in electron transport?
a. outer mitochondrial membrane b. inner mitochondrial membrane c. plasma membrane
Golgi membrane
26. The reduction of carbon dioxide occurs only in________:
a. PSI
b PSII c. glycolysis d. Krebs cycle e. none of these
27. Which of the following is the end product of the dark reactions?
a. water b. oxygen c. glucose d. NADPH e. none of these is correct
28. Glycolysis is over when ________ is synthesized:
a. glucose b. NADPH c. pyruvate d. lactate
29. Glucose 6- phosphate appears during _________:
a. fermentation b. dark reaction c. light reactions
d. glycolysis
e. none are correct
30. The energy source for the synthesis of NADPH is:
a. ATP b. ADP c. light d. electrical
31. The ultimate source of H to synthesize NADPH is:
a. water b. glucose c. CH4 d. none of these is correct
32. The photolysis of water provides _____ and _____ for the making of sugar:
a. carbon dioxide b. oxygen c. electrons d. hydrogens e. both c and d are used to make sugar
33. Enzymes associated with the Krebs cycle are located in the ___.
a. cytoplasm only
b. cristae only
c. matrix only d. internal mitochondrial membranes & matrix
34. An acetyl unit is directly derived from ___ during ___.
a. NADPH & fermentation
b. ATP & aerobic respiration
c. lactose & fermentation
d. pyruvate & aerobic respiration
35. Which of the following is not a part of the electron transport system but precedes the Kreb's cycle?
a. acetyl CoA
b. NADH
c. cytochromes
d. FADH2
36. Glycolysis occurs in the _____ of the cell:
a. mitochondria
b. chloroplast
c. centrioles
d. cytosol
37. Most of the energy within a glucose molecule is released as ___ during cellular respiration:
a. ATP
b. NADPH
c. ADP
d. heat
38. Carbon dioxide molecules are released during:
a. glycolysis b. lactic acid fermentation
c. The Kreb’s cycle
d. hydrolysis of glycogen
39. Cellular respiration begins in the ___ of the cell:
a. cytosol
b. chloroplast
c. outer mitochondria membrane
d. only in the matrix of mitochondria
e. none of the former is correct
40. In photosystem I ___ is formed:
a. ATP
b. energy
c. NADPH
41. In photosystem II ___ is formed:
a. ATP
b. energy
42. C3 and C4 are subdivisions of the ___:
a. dark reactions
b. Kreb's cycle
c. NADPH
d. light
d. light
c. light reactions
d. glycolysis
43. The ultimate effect of the dark reactions is the reduction of ___ into glucose:
a. light
b. pyruvate
c. water
d. carbon dioxide
44. The process of converting pyruvate to alcohol is called ___ and generates ______ units of ATP:
a. glycolysis, 2
b. Kreb's cycle, 3
c. electron transport, 32 d. fermentation, O
45. The oxygen liberated in photosynthesis is derived from ___:
a. carbon dioxide
b. water
c. cytochromes
d. glucose
46. When a photon of light energy is absorbed by chlorophyll, ___ may be released from this chlorophyll:
a. protons b. ADP
c. NADPH
d. ATP
e. electrons
47. Which process does not produce any ATP?
a. glycolysis
b. fermentation
c. Krebs cycle
d. electron transport
48. The net gain of ATP molecule during glycolysis is:
a. 1
b. 3
c. none
d. 2
e. 4
49. Anaerobic respiration in human muscle cells when oxygen is insufficient changes ___ to ___:
a. acetyl to water b. pyruvate to lactic acid c. NADH to ATP d. pyruvate to glucose
50. The theory of chemiosmosis refers to which process?
a. the Krebs cycle b. electron transport
c. NADPH and ATP production by the grana
d. ATP and NADH production in the cytosol