Chapter 23: Q.6 (page 606)
Mitochondria most likely evolved by _____________.
a. a photosynthetic cyanobacterium
b. cytoskeletal elements
c. endosymbiosis
d. membrane proliferation
Short Answer
The correct answer is option c, that is, endosymbiosis.
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Chapter 23: Q.6 (page 606)
Mitochondria most likely evolved by _____________.
a. a photosynthetic cyanobacterium
b. cytoskeletal elements
c. endosymbiosis
d. membrane proliferation
The correct answer is option c, that is, endosymbiosis.
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Which of the following statements about the Laminaria life cycle is false?
1n zoospores form in the sporangia.
The sporophyte is the 2n plant.
The gametophyte is diploid.
Both the gametophyte and sporophyte stages are multicellular.
Which parasitic protist evades the host immune system by altering its surface proteins with each generation?
a.Paramecium caudatum
b. Trypanosoma brucei
c. Plasmodium falcipuram
d. Phytophthora infestans
Which protist group exhibits mitochondrial remnants with reduced functionality?
a. slime molds
b. diatoms
c. parabasalids
d. dinoflagellates
Which of these locomotor organs would likely be the shortest?
a. a flagellum
b. a cilium
c. an extended pseudopod
d. a pellicle
Which characteristic is shared by prokaryotes and eukaryotes?
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