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Chris M.
Chris M., M.S.W. Social Work
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35. In cellular respiration the breakdown of glucose is achieved

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35. In cellular respiration the breakdown of glucose is achieved by: (Points : 2)
Splitting a 6-carbon sugar into two 3-carbon sugar molecules.
Losing 2 carbons in the form of carbon dioxide before the Kreb's cycle.
Losing 2 carbons in the form of carbon dioxide during each turn of the Kreb's cycle.
Losing a total of 4 carbon dioxide during the Kreb's cycle.
All of the above.
36. Which organelle(s) contain their own DNA outside of the cell nucleus? a) Golgi apparatus b) Mitochondria c) Chloroplast d) Lysosome e) 1 & 2 f) 2 & 3 g) None of the Above
37. Choose the best answer. Polypeptides are chains of (Points : 2)
nucleic acids
proteins
amino acids
carbohydrates
organic molecules
sugars

38. How many micrometers are there in one meter? (Points : 2)
1,000,000
100,000
1,000
0.000,1
0.000,0001

39. Archaea are closer to eukaryotes than bacteria from an evolutionary perspective. (Points : 2)
True
False

40. ATP consists of adenosine, ribose, and three phosphates (Points : 2)
True
False
41. Cellular respiration (Points : 2)
Does not occur in plants
Only occurs in Eukaryotes
Produces oxygen in as the result of a reduction reaction
Releases energy by breaking down large molecules
Only occurs in animals
42. The water molecule: (Points : 2)
is an example of covalent bonding
is a non-polar molecule
Is held together by ionic bonds
is a polar molecule
Answers 1 and 4

43. Which happens during Metaphase in mitosis: (Points : 2)
the chromosomes are duplicated.
The cell splits in two.
The chromosomes align along the middle of the cell.
Four gametes are produced.
None of the above

44. Only eukaryotic cells have a nuclear envelope. (Points : 2)
True
False

45. Energy ___________ (Points : 2)
cannot be created or destroyed
can change from one form to another
tends to disperse spontaneously
all of the above

46. Prokaryotic cells have a cell wall. (Points : 2)
True
False

47. OH- ions are given off by (Points : 2)
acids
bases
salts
None of the above

48. Which of the following statements is not true. (Points : 2)
pH effects the activity of enzymes
the pH scale runs between 0 and 14
low pH values indicate acidic conditions
a pH of 12 indicates an acidic solution
buffers resist pH change

49. Mitochondria and chloroplasts have their own DNA. This is evidence of (Points : 2)
spontaneous generation
an adaptive nucleotide deletion mutation
adaptive radiation
peaceful negotiation
endosymbiosis
apoptosis

50. Kingdom Protista contains only single-cell organisms. (Points : 2)
True
False

51. Monomers form polymers and then break down the polymers to release the monomers. The monomers are joined by a dehdyration/condensation reaction and broken via hydrolysis. (Points : 2)
True
False

52. Each amino acid is specified by a set of 3 bases in an mRNA transcript. (Points : 2)
True
False

53. Photosynthetic autotrophs use sunlight as their energy source. (Points : 2)
True
False

54. Eukaryotic gene expression controls guide___. (Points : 2)
natural selection
nutrient availability
development
all of the above

55. Inside of the nucleus, DNA is _________ into RNA. (choose the best answer) (Points : 2)
duplicated
translated
transformed
fused
transcribed
None of the above

56. Prokaryotic cells lack DNA (Points : 2)
True
False
57. A molecule consists of: (Points : 2)
Two or more atoms bonded together.
One atomic nucleus.
Two electrons.
A radioactive neutron.

58. Chitin is a polysaccharide similar to cellulose found in both fungi and small animals. (Points : 2)
True
False
59. When a trait is influenced by many different genes it is called... (choose the best answer) (Points : 2)
pleiotropy
mendelian
polygeny
sex-linked
aneuploidy
60. In cellular respiration the breakdown of glucose is achieved by: (Points : 2)
Splitting a 6-carbon sugar into two 3-carbon sugar molecules.
Losing 2 carbons in the form of carbon dioxide before the Kreb's cycle.
Losing 2 carbons in the form of carbon dioxide during each turn of the Kreb's cycle.
Losing a total of 4 carbon dioxide during the Kreb's cycle.
All of the above.
61. The S phase is the part of the cell cycle in which (Points : 2)
the chromosomes are replicated.
Chromatids are separated.
Chromosomes are aligned in the middle of the cell.
The cell begins to split into two daughter
None of the above.
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