Download Document

1.
Glycolysis occurs in the:
a. cytoplasm
b. nucleus
c. mitochondria matrix
d. mitochondrial intermembrane space
2.
The 4 steps of cellular respiration, in order are:
a. Kreb’s Cycle, Chemosmosis, Glycolysis, Electron Transport Chain
b. Electron Transport Chain, Kreb’s Cycle, Chemiosmosis, Glycolysis
c. Glycolysis, Kreb’s Cycle, Electron Transport Chain, Chemiosmois
d. Glycolysis, Kreb’s Cycle, Transition Reactions, Respiratory Chain
3.
Glucose, a _______ Carbon sugar, breaks down into 2 __________ during glycolysis.
a. 3, pyruvates
b. 3, acetates
c. 6, pyruvates d. 6, acetates
4. The final electron acceptor in the respiratory chain is:
a. carbon dioxide
b. hydrogen
c. water
d. oxygen
5. During cellular respiration _________ accumulate, against their concentration gradient, in the intermembrane space of the
mitochondria.
a. electrons
b. hydrogen ions
c. proteins
d. oxygen
6. A type of anaerobic respiration that occurs in our muscles cells is:
a. alcohol fermentation b. lactic acid fermentation
c. chemiosmosis
7. The storage molecule that can generate the most ATP’s is:
a. DNA
b. carbohydrates
c. proteins
d. fats
8. When proteins are used to make ATP they must first be hydrolysed into:
a. amino acids
b. polypeptides
c. DNA
d. triglyceride fermentation
d. glucose
9. The Hershey and Chase experiment showed ___________ to be the genetic material.
a. protein
b. amino acids c. DNA
d. tRNA
10. In DNA adenine pairs with:
a. uracil
b. cytosine
c. guanine
11. Translate this DNA strand into mRNA
TACAGCTGACCCACT
a. UTGTCGUCTGGGTGU
c. AUGUGGAGUGGGUGA
b. AUGUCGACUGGGUGA
d. ATGTCGACTGGGTGA
12. The steps of protein synthesis, in order are:
a. transcription, elongation, initiation, termination
c. initiation, transcription, elongation, termination
13. Protein synthesis occurs on/in a:
a. mitochondrion
b. ribosome
d. thymine
b. initiation, elongation, transcription, termination
d. transcription, initiation, elongation, termination
c. amino acid
d. strand of DNA
14. An Okazaki fragment
a. occurs on the leading strand
b. occurs on the lagging strand
c. is essential to protein synthesis
d. occurs only in RNA
15. The telomere problem is
a. too much DNA to make DNA replication quick
b. the telomere gets longer throughout the cells life and causes cancer
c. the telomere gets shorter after every replication because there’s no way to fill in the DNA strand when the RNA
primer leaves
d. germ line cells use the enzyme telomerase and it makes the RNA primer too short to give a good starting point for
DNA
16. During protein synthesis the mRNA binds first to the
a. small ribosomal subunit
c. the ribosome, but there is only one unit
17. A polysome is:
a. a really large ribosome
c. an enzyme that helps proteins fold
Matching:
18. mRNA
19. tRNA
20. rRNA
b. large ribosomal subunit
d. tRNA
b. a ribosome in the rough endoplasmic reticulum
d. a chain of many ribosomes translating one mRNA
a. carry anticodons to ribosome
b. contains the genetic coding for the protein
c. aids in translation during protein synthesis
True/False
21. A molecule that undergoes reduction is gaining an electron.
22. missing question
23. All living organisms use aerobic respiration.
24. NADH drops off electrons in the electron transport chain sooner than FADH2; this causes NADH to make more ATP’s
than FADH2.
25. Each amino acid has only one codon.
26. The genetic code of plants and animals is different.
27. In an isotonic solution, there is:
a. less water outside than inside
b. equal water concentrations inside and out
c. more water outside than inside
28. In plant cells, the cell membrane can shrink while the cell wall remains in place, this is called:
a. plasmolysis
b. isotonic solution
c. hypotonic solution
29. A solute can be pumped from a lower concentration gradient to a higher one in:
a. active transport
b. passive transport
c. facilitated diffusion
30. Cotransport is an example of:
a. active transport
b. passive transport
c. facilitated diffusion
31. question deleted
32. Which type of nucleic acid is the energy currency of life?
a. adenosine diphosphate
b. deoxyribonucleic acid
c. adenosine triphosphate
33. Which answer best characterizes the central dogma of biology?
a. deoxyribonucleic acid produces ATP
b. a polypeptide sequence is used to form RNA
c. ribonucleic acid forms deoxyribonucleic acid
d. DNA is sued to make RNA which is used to make the amino acid sequence of all proteins.
34. Which unit molecule belongs to proteins?
a. cellulose
b. nucleotides
c. sugars
d. amino acids
35. Which structure is described by the order of the amino acids?
a. primary
b. secondary
c. tertiary
d. quaternary
36. Which one of the 4 macromolecules does not make polymers?
a. carbohydrates
b. proteins
c. nucleic acids
d. lipids
d. ribonucleic acid
37. What is a disaccharide?
a. many sugar monomers bonded together
c. the exoskeleton of arthropods
b. 2 sugar monomers bonded together
d. the protein responsible for making sugars
38. Starch and cellulose are types of
a. polysaccharides
b. proteins
c. lipids
39. Triglycerides consist of:
a. 2 fatty acids and 1 glycerol
c. 3 fatty acids and 3 glycerols
b. 3 fatty acids and 2 glycerols
d. 3 fatty acids and 1 glycerol
40. What is used to store long term energy?
a. phospholipids
b. sterols
41. Hydrolysis
a. makes water
d. alcohols
c. triglycerides
d. cholesterols
b. uses water
42. Hydrolysis
a. breaks molecules apart
c. has no effect on molecules
b. adds nitrogen to the molecule
d. puts molecules back together
43. Polymers are ________ linked in a long chain.
a. amino acids
b. monomers
c. phospholipids
d. anomers
44. Active transport uses ________ to move molecules.
a. diffusion
b. energy
c. osmosis
45. An oxidation reaction involves losing a/an
a. proton
b. ion c. electron
d. atom
46. Tight junctions are
a. belts around cells that prevent leaks
c. junctions with continuous cytoplasm between cells
b. anchoring junctions
d. all of the above
47. The following are all enzyme characteristics except for
a. temperature sensitive b. globular proteins
c. non-specific for substrate and product
48. Vitamins are an example of
a. cofactors
b. enzymes
c. amino acids
d. destroyed by heat
d. proteins
49. A coenzyme in most commonly
a. a non-organic protein assisting molecule
b. a protein helping another protein
c. a vitamin severing a needed function for an enzyme to work properly
50. Allosteric inhibition
a. uses a site other than the active site for enzyme inhibition
c. destroys the enzyme to prevent it’s function permanently
51. During chemiosmosis, oxygen is the
a. ATP acceptor
b. water acceptor
b. uses an inhibitor directly in the active site
c. final electron acceptor
d. carbon dioxide acceptor
52. In cellular respiration, glucose is converted to which of the following during glycolysis?
a. hydrogen
b. ATP
c. pyruvates
d. proteins
53. Which of the following is a true distinction between fermentation and cellular respiration?
a. only respiration oxidizes glucose
b. NADH is oxidized by the electron transport chain only in respiration
c. fermentation, but not respiration, is an example of a catabolic pathway
d. substrate level phosphorolation is unique to fermentation
54. A tight junction:
a. allows certain materials to pass
c. allows leakage between cells
b. allows no materials to pass
d. allows cytoplasm between cells
55. What cell process engulfs tiny droplets of extracellular fluid in vesicles?
a. phagocytosis
b. cell vacuoles
c. pinocytosis
d. endocytosis
56. A non competitive inhibitor may attach itself to the ________ site on an enzyme
a. key hole
b. Allosteric
c. anosteric
d. active
ANSWERS
1. a
20. c
39. a
2. c
21. T
40. d
3. c
22. missing question
41. c
4. d
23. F
42. b
5. b
24. T
43. a
6. b
25. F
44. b
7. d
26. F
45. b
8. a
27. b
46. c
9. c
28. a
47. a
10. d
29. a
48. c
11. b
30. a
49. a
12. d
31. question deleted
50. c
13. b
32. c
51. a
14. b
33. d
52. c
15. c
34. d
53. c
16. a
35. d
54. b
17. d
36. a
55. b
18. b
37. d
56. c
19. a
38. b
57. b