Origin of Eukaryotes
Characteristics of Protists
Diversification of Eukaryotes
Endosymbiotic Theory
Throw back
100
Eukaryotes are a specialized group of bacteria? True or false
False, they are a specialized group of archaea
100
What type of environment do protists live in?
Moist environments like freshwater and body fluids
100
What are the 3 body parts of Brown Algae?
Blade, Stipe, Holdfast 
100
How did chloroplast arise?
Multiple endosymbiotic events
100
Bacteria have 3 common shapes:
Cocci, Bacilli, and spirilla
200
How were mitochondria and chloroplasts acquired?
via endosymbiosis
200
What are the main 4 main groups of protists?
Alveolates, Stramenopiles, Rhizarians, Excavates
200
What are trichocysts?
Defensive exploding barbs in ciliates
200
How did mitochondria arise?
A singular endosymbiotic event in which an ancestral eukaryotes engulfed but did not digest a proteobacterium.
200
What are the 3 domains in biodiversity?
Bacteria, Archaea, and Eukarya
300
How do eukaryotes differ from archaea?
Eukaryotes enclose their genetic material within a membrane and acquired mitochondria and chloroplasts from 2 bacterial lineages.
300
Do protists reproduce sexually or asexually?
Both
300
Which Rhizarian group forms thick limestone deposits?
Foraminiferans
300
Primary endosymbiosis gave rise to which 3 algal groups?
glaucophytes, red algae, and green algae
300
How do gram (+) bacteria present peptidoglycan in cell wall?
bacteria have a thick peptidoglycan layer that stains purple.
400
Microtubles form what?
Flagellum
400
What does mixotrophic mean?
Organisms that include different modes of nutrition
400
What does Kerenia cause?
This dinoflagellate, also called "blooms" causes red tides
400
What was found between chloroplast membranes of glaucophytes?
peptidoglycan
400
What are phylogenetic trees based on?
History based on genetic evidence
500
Ribosomes attach to what?
SOME internal membranes
500
Evolutionary relationships are based on what?
rRNA gene sequences
500
What human disease does Trypanosoma brucei cause?
Sleeping sickness
500
A trace of the engulfed cells nucleus is retained in some algal groups as what?
Nucleomorph (remnants of secondary endosymbiotic events between two eukaryotes; endosymbiont has retained its eukaryotic nucleus)
500
What are microbiomes?
Communities of prokaryotes that live on or with in other organisms