Biology 101 Final Examination Answers, Exams of Biology

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BIOLOGY 101- Final Examination test

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1. What is the purpose of chlorophyll in Photosynthesis? - Verified Answer to capture solar energy
2. What is the criteria of Life? - Verified Answer respond to stimuli grow and divide homeostasis reproduce and develop
3. Enzymes ______ the rate of a chemical reaction. - Verified Answer Speed Up
4. Where does glycolysis take place in the cell? - Verified Answer Cytoplasm
5. What is the total number of ATP molecules produced per glucose molecule in cellular respiration? - Verified Answer 36 or 38
6. Enzymes are _____ - Verified Answer Proteins
7. Where do the light independent reactions of photosynthesis take place in a cell? - Verified Answer Stroma of the chloroplast
8. What is the basic unit of life? - Verified Answer Cell
9. waste disposal center of cell - Verified Answer Lysozymes
10. Which is associated with DNA? a. Chromosome b. Nucleus c. genes d. All the above - Verified Answer d. All the above
11. When a cell is placed in a "hypotonic" solution - Verified Answer Water exits the cell
12. Endocytosis involves... a. ATP b. fusion of a vesicle with the plasma membrane c. bulk transport of material into cell d. All the above - Verified Answer d. All the above

13. Taxonomy is the study of: - Verified Answer Classification of all living things
14. Mitochondria is... - Verified Answer is involved in cellular respiration, membrane bound organelle, contains stroma, have a convoluted outer membrane.
15. An ATP molecule has _____ phosphates attached. - Verified Answer 3
16. Which organism is an example of an autotroph? a. Human b. Cow c. Green Plant d. E. Coli - Verified Answer c. Green Plant
17. Any energy transformation involves the loss of some energy as.... - Verified Answer Heat
18. An antibiotic like penicillin is effective as an antimicrobial drug because it... - Verified Answer acts as a mimic for the correct substrate
19. often targets bacterial cellular components
20. What are possible products for fermentation? - Verified Answer ethanol, lactic acid, carbon dioxide
21. The color, temperature and foul odor of flowers of the titan arum are examples of
    • Verified Answer adaptations
22. During photosynthesis, carbon dioxide... - Verified Answer is reduced to glucose
23. A phospholipid molecule has a head and two lipid tails. The tails are found: - Verified Answer In the interior of the membrane
24. Active transport across a cell membrane... - Verified Answer requires a carrier protein
25. moves a molecule against the concentration gradient
26. Energy is brought into ecosystems by... - Verified Answer Organisms that photosynthesize, like plants
27. Na/K Pump - Verified Answer faulty one associated to obesity
28. utilizes ATP to transport ions against the concentration gradient
29. actively transport ions across the membrane
30. active site is part of the.... - Verified Answer enzyme where the substrate can fit
31. The ETC - Verified Answer involves the inner membrane of mitochondria

32. The metabolic process that produces the most ATP molecules is... - Verified Answer electron transport chain
33. Cellular Respiration is a.... - Verified Answer energy- efficient process
34. Meiosis involves... a. gametes b. somatic cells c. hair follicles d. new bone growth - Verified Answer a. gametes
35. Which is not part of the mitosis stages? a. anaphase b. telophase c. apoptosis d. metaphase - Verified Answer c. Apoptosis
36. When DNA is coiled, folded and twisted into short condensed strands it is called... - Verified Answer chromosomes
37. Interphase occupies the... - Verified Answer majority of the cell cycle
38. Eukaryotic chromosomes consist of both - Verified Answer DNA and Protein
39. The Function of mitosis is: - Verified Answer growth of the organism and tissue repair
40. to ensure each new cell receives a complete set of genetic information
41. asexual reproduction in some species
42. What are alleles? - Verified Answer Alternative forms of a gene for a single trait
43. Who is often known as the father of Genetics? - Verified Answer Gregory Mendel
44. What represents the physical characteristics of the individual - Verified Answer Phenotype
45. Mendel's law of segregation - Verified Answer Are distributed to separate gametes
46. Crossing over occurs between.... - Verified Answer Non sister chromatids of a homologous pair
47. Proteins expressed on red blood cells would be an example of a genetic trait that shows: - Verified Answer codominance

48. The diploid (2n) number of chromosomes for a human is... - Verified Answer 46
49. What occurs in anaphase? - Verified Answer Chromosomes move to opposite poles
50. Oncogenes are... - Verified Answer mutated proto-oncogenes
51. cancer causing genes
52. stimulate uncontrolled cell divisions
53. The cell formed through fertilization of an egg by a sperm is called a.... - Verified Answer zygote
54. If a sperm cell contains 8 chromosomes, it comes from an animal that has.... - Verified Answer 16 chromosomes
55. If a cell contains 12 chromosomes at the end of meiosis 1, how many chromosomes will the daughter cells contain at the end of meiosis 2? - Verified Answer 12 Chromosomes
56. Genetic variation in sexually reproducing population include... - Verified Answer crossing over independent assortment
57. Which stage of meiosis does homologue separation occur? - Verified Answer anaphase
58. Down Syndrome is... - Verified Answer trisomy 21
59. some cases sperm contributes to the extra chromosome
60. most common trisomy in humans
61. sex-linked trait
62. Contains thymine and guanine... - Verified Answer DNA
63. Hardy Weinberg Equation - Verified Answer p2+ 2pq + q2 = 1
64. Translation - Verified Answer takes place in cytoplasm
65. gene expression leads to protein synthesis
66. Transcription - Verified Answer Segment of DNA serves as template for production of RNA molecule
67. Eukaryote contains... - Verified Answer nucleus organelles plasma membrane
68. larger than prokaryotic cells
69. DNA replication - Verified Answer synthesis of new DNA double helix prior to mitosis

70. Phenotype - Verified Answer expressed genes and physical appearance of individuals
71. RNA - Verified Answer RNA is a polymer of RNA nucleotides
72. sugar ribose instead of deoxyribose
73. uracil, adenine, cytosine, guanine
74. single stranded
75. Structure of DNA - Verified Answer two nucleotides with purine base (Adenine, Guanine)
76. two nucleotides with pyrimidine bases (Thymine, Cytosine)
77. equal amounts of each, complementary based pairing
78. Meiosis - Verified Answer Meiosis 1- homologous pairs synapse and separate
79. Meiosis 2- sister chromatids separate becoming daughter chromosomes
80. Mitosis - Verified Answer Prophase- chromatin has condensed nuclear envelope disintegrates spindles assemble
81. Prometaphase- centromere of each chromosomes has kinetochores
82. Metaphase- chromosomes are pulled to apart align at metaphase plate
83. Anaphase- centromere dissolves releasing sister chromatids
84. Telophase- two clusters of chromosomes and nuclear envelope
85. Enzymes are.... - Verified Answer protein molecules that function as catalyst
86. Mutualism - Verified Answer symbiotic relationship in which both members of association benefit often with attachment of food
87. Mimicry - Verified Answer one species resembles another species that possess an obvious anti predator defense
88. Bayesian mimicry - Verified Answer lacks defense the organism it resembles
89. Mollohan mimicry - Verified Answer shares same protective defensive
90. Character Displacement - Verified Answer diverse when population belong to the same community than when they isolated
91. Competitive Exclusion Principle - Verified Answer no two species can occupy the same niche at a time
92. Competition - Verified Answer when two species compete the abundance of both species is negatively impacted
93. Ecological Niche - Verified Answer role species play on its community

94. Fundamental Niche - Verified Answer all conditions under which the organism can survive
95. Habitat - Verified Answer are where organism lives and reproduces
96. Species composition - Verified Answer various species in the community
97. Species diversity - Verified Answer both species richness and abundance of different species
98. Population and Community - Verified Answer specific species in living area
99. many species in one living area
100. Ecology - Verified Answer study of interactions of organisms with other organism
101. Protest are... - Verified Answer unicellular and highly complex
102. asexual and photosynthetic
103. Viruses - Verified Answer nonliving some genetic quality contain DNA + RNA
104. in order to replicate and make more infects host cell
105. Hardy- Weinberg Principle states that allele frequencies remain constant as long as.... - Verified Answer no mutations no gene flow random mating no genetic drift no selection
106. Natural Selection - Verified Answer members of a population have inheritable variation
107. Evolution - Verified Answer Charles Darwin
108. common decent with modification
109. Watson + Crick - Verified Answer constructed model of DNA, double helix model like a twisted ladder
110. Living Things... - Verified Answer acquire and process food
111. respond to stimuli
112. reproduce and develop
113. adapt to change
114. Photosynthesis - Verified Answer 6CO2 + 6H20 + energy = C6H12O6 + 6O
115. Cellular Respiration - Verified Answer C6H12O6 + 6O2 = 6CO2 + 6H

+ energy 

116. Compare and Contrast Meiosis and Mitosis - Verified Answer Meiosis- 2 nuclear divisions, chromosome does synapse, centromere survives, halves chromosomes, 4 daughter nuclei
117. Mitosis- 1 nuclear division, chromosome don't synapse, centromere dissolves, preserve chromosome number, two daughter nuclei