JMU Bio 150 Final Exam QUESTIONS WITH ANSWERS

JMU Bio 150 Final Exam QUESTIONS
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WITH ANSWERS |\




Bacteria (characteristics) - CORRECT ANSWERS ✔✔1.
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single celled
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2. No nucleus (plasmids are free floating)
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3. simple structure
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4. reproduce through binary fission
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5. different shapes (round, rod-shaped, or spiral)
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6. can live anywhere
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Eukaryotes (characteristics) - CORRECT ANSWERS ✔✔1.
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Nucleus |\




2. complex cell structure (mitochondria, ER, Golgi,
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Lysosomes) |\




3. Larger size
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4. Multicellular & Unicellular
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5. sexual reproduction (meiosis) and asexual (mitosis)
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6. cell membrane and wall
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7. ATP production through cellular respiration
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,Prokaryotic (characteristics) - CORRECT ANSWERS ✔✔1.|\ |\ |\ |\ |\ |\



No nucleus (circular plasmid DNA)
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2. simple structure
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3. smaller size
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4. single celled
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5. rigid cell wall
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6. reproduce asexually (binary fission)
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7. (some have) flagella, tails; and pili, hair structures
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8. diverse living conditions
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Pili - CORRECT ANSWERS ✔✔Appendages that allow
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bacteria to attach to each other and to transfer DNA
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Taxonomic Levels - CORRECT ANSWERS ✔✔Domain, |\ |\ |\ |\ |\ |\



Kingdom, Phylum, Class, Order, Family, Genus, Species
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Archaea (characteristics) - CORRECT ANSWERS ✔✔1.
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prokaryotic cells |\ |\




2. unique cell membranes (dif. lipids and bacteria)
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resistant to extreme conditions |\ |\ |\ |\




3. live in extreme environments
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4. unique genetic sequences (circular dna)
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5. cell wall composition (pseudomuerin)
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, 6. asexual reproduction (binary fission)
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7. various metabolic processes
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8. has ribosomes
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Similarities between bacteria and archaea - CORRECT |\ |\ |\ |\ |\ |\ |\



ANSWERS ✔✔1. prokaryotic cells |\ |\ |\ |\




2. single celled
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3. reproduce asexually
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4. cell wall provides structure and protection
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5. small size
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6. have ribosomes
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7. can survive in harsh habitats
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fitness - CORRECT ANSWERS ✔✔Ability of an organism to
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survive and reproduce in its environment
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Larger animals have __________ surface area to volume
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ratio - CORRECT ANSWERS ✔✔lower; (don't loose heat as
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quickly, can survive in colder environments,) but makes
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them less efficient at material exchange
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Smaller animals have _________ surface area to volume
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ratio - CORRECT ANSWERS ✔✔higher; (allows them to
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