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rutgers gen bio 116 exam 1 questions with correct answers

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rutgers gen bio 116 exam 1 questions with correct answers 6 Eukaryotic Supergroups Key derived traits of Eukaryotic Cells Endosymbiosis Examples of endosymbiosis in evolutionary history serial endosymbiosis primary endosymbiosis Primary endosymbiosis example secondary endosymbiosis Serial ...

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  • March 29, 2024
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rutgers gen bio 116 exam 1 questions with
correct answers

1). 6 eukaryotic supergroups

 Ans: Chromalveolata
Excavata
Opisthokonta
Rhizaria
Amoebozoa
Archaeplastida


2). Key derived traits of eukaryotic cells

 Ans: Nucleus
Membrane-bound organelles
Aerobic respiration
Mitochondria from primary endosymbiosis


3). Endosymbiosis

 Ans: Relationship between two species in which one lives inside the other


4). Examples of endosymbiosis in evolutionary history

 Ans: Mitochondria
Chloroplasts


5). Serial endosymbiosis

 Ans: series of endosymbiotic events


6). Primary endosymbiosis

 Ans: the process in which a eukaryote engulfs another living prokaryote


7). Primary endosymbiosis example




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,  Ans: Archaea engulfing alpha proteobacteria (mitochondria, first)
Heterotrophic Euk engulfing cyanobacteria (chloroplasts, second)


8). Secondary endosymbiosis

 Ans: Bigger eukaryote engulfs smaller eukaryote, leads to secondary plastids


9). Serial endosymbiosis basic process

 Ans: 1. Heterotrophic Euk with mitochondria engulfs cyanobacteria (1
endosymbiosis)
2. Becomes green algae, an autotrophic euk with chloroplasts
3. Heterotrophic euk engulfs the green algae, a euk. (2 endosymbiosis
4. Becomes an autotrophic euk with secondary plastids


10). Protists

 Ans: A eukaryotic organism that cannot be classified as an animal, plant, or fungus.
"the very first"


11). Nutritional strategies of protists

 Ans: photoautotrophs, heterotrophs, mixotrophs


12). Excavata

 Ans: Feeding groove, Lack typical mitochondria


13). Shared derived traits in excavata

 Ans: Mitosomes (diplomonads)
Hydrogenosomes (parabasalids)
Crystalline Rod in flagella
Secondary Plastids via green algae
Mixotrophic


14). Chromalveolata shared derived trait

 Ans: Secondary endosymbiosis of green algae
(contains secondary plastids)




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