BIOL 100 Midterm exam part A
1. The DNA molecule could be compared to a
2. When a cell that contains 46 chromosomes divides by meiosis, the daughter cells will have how many chromosomes
3. Various forms of a gene at a
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BIOL 100 Midterm exam part A
1. The DNA molecule could be compared to a
2. When a cell that contains 46 chromosomes divides by meiosis, the daughter cells will have how many chromosomes
3. Various forms of a gene at a given locus are called
4. Four of the five answers listed below concern cells with two chromosome sets. Select the exception.
5. Which of the following designates a normal human female?
6. White blood cells use ____ to get rid of foreign particles in the blood.
7. Four of the five answers listed below are names of kingdoms. Select the exception.
8. The nuclear envelope begins to break up in late
9. Borrelia burgdorferi is the cause of
10. The negative subatomic particle is the
11. The primitive earth's atmosphere did NOT contain
12. Queen Victoria
13. Which term includes the other four?
14. Which is NOT a monosaccharide?
15. Four of the five answers listed below are processes associated with light-dependent reactions. Select the exception.
16. The nucleus of an atom contains
17. Enzymes
18. James Watson and Francis Crick
19. The ability to acquire, store, transfer, or utilize energy is called
20. Histone-DNA units are called
21. The chromosomes and genes are actually replicated during
22. In allopatric speciation, daughter species form
23. Which of the following designates a normal human male?
24. The genetic code is made up of units consisting of how many nucleotides?
25. The nuclear envelope begins to break up in late
26. Which statement is true?
27. The chromosomes are moving to opposite poles during
28. All prokaryotic cells have
29. Science is based on
30. Which branch of genomics deals with the actual mapping and sequencing of genes?
31. According to Darwin, natural selection is based on the ____ found in populations.
32. The introduction of a small population onto an island that results in a limited gene pool for a population best describes
33. A repressor protein binds with
34. The significance of the experiments in which 32P and 35S were used is that
35. Which of the following is not an autosomal dominant genetic disorder?
36. The earliest eukaryotic fossil of a still extant group was a(n) ____ fossil.
37. Which of the following can affect whether transcription can occur?
38. Which is a "building block" of carbohydrates?
39. Water is an example of a(n)
40. Cell membranes are characterized by the presence of
41. Four of the five plants have actually been engineered. Select the exception.
42. Most carbon enters the web of life through
43. Four of the five answers listed below are familiar organelles in the cytoplasm. Select the exception.
44. Four of the five answers listed below are features of the lactose operon. Select the exception.
45. Plants need which of the following to carry on photosynthesis?
46. Pleiotropic genes
47. The RNA molecule is made up of how many strands?
48. During enzyme-catalyzed reactions, substrate is a synonym for
49. A regulator gene produces which of the following?
50. Each cell is able to maintain a constant internal environment. This is called
51. What is the form of RNA that carries the code from the DNA to the site where the protein is assembled?
52. New genetic combinations result from
53. Which of the following diseases is NOT caused by a flagellated protozoan?
54. Four of the five answers listed below are participants in photosynthesis. Select the exception.
55. Aerobes use ____ as the final electron acceptor in electron transport phosphorylation.
56. The relative impermeability of membranes to water-soluble molecules is a result of the
57. All atoms of an element have the same number of
58. Male northern sea lions are nearly twice the size of females because
59. In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over spotted (s). If two dihybrids (Bb Ss) were crossed, the most common phenotype would be
60. The synthesis of an RNA molecule from a DNA template strand is
61. When chlorophyll a molecules absorb energy, the molecules
62. The difference between normal hemoglobin and sickle-cell hemoglobin is in the
63. ATP
64. The positive subatomic particle is the
65. Transcription
66. A disease that is always present but usually restricted to a small part of the population is called
67. Pseudopodia are characteristic of which of the following groups of protozoans?
68. When a population goes through a bottleneck,
69. The place Darwin visited on his trip around the world that had the greatest impact on his thinking was
70. These organelles are sometimes referred to as rough or smooth, depending on the structure.
71. The spindle apparatus becomes visible during
72. Yeasts are members of which of the following group(s)?
73. Plants store their excess carbohydrates in the form of
74. When a molecule is excited by heat,
75. Glucose is stored as ................................. in most complex plants.
76. A repressor protein binds with
77. Which reaction is NOT an exergonic reaction?
78. The sequence of amino acids is the ____ structure of proteins.
79. Prokaryotic cells do NOT have
80. Rosalind Franklin's research contribution was essential in
81. An incompletely dominant gene controls the color of chickens so that BB produces black, Bb produces a slate-gray color called blue, and bb produces splashed white. A second gene controls comb shape, with the dominant gene R producing a rose comb and r producing a single comb. If a pure-breeding black chicken with a rose comb is mated to a splashed white chicken with a single comb in the F2 generation, what fraction of the offspring will be black with rose comb?
82. A dihybrid cross of two contrasting pure-breeding organisms
83. Which of the following indicates homozygous genotypes?
84. Which are examples of prokaryotes?
85. Which of the following membrane proteins is responsible for binding hormones that can switch on a cell?
86. Genetic recombination as a result of crossing over occurs more readily in genes that are located
87. An -NH2 group is a(n) ____ group.
88. Hydrophobic reactions of phospholipids may produce clusters of their fatty acid tails, which form
89. The "big bang" refers to
90. Which chemical has six carbon atoms?
91. The fossil record is incomplete because
92. Red tide can affect
93. The Oxygen released during Photosynthesis comes from:
94. Males who tend to be taller than average and show mild mental retardation may be designated
95. The correct operational sequence of the three processes listed below is:
I. glycolysis
II. electron transfer
III. Krebs
96. Glycogen is a polysaccharide used for energy storage by
97. The chromosomes detach from one another and become visibly separated during
98. Cells with two sets of genetic information are described by the term
99. Which of the following habitats is most likely to be rich in fossils?
100. Genes that are located on the same chromosome
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