Which one of the following statements about endosymbiosis and the origin of the eukaryotic cell is FALSE?
A. Many compartments of the eukaryotic cell are derived from the endomembrane system.
B. Mitochondria are the descendants of purple bacteria.
C. The chloroplasts of red and green algae are the descendants of cyanobacteria.
D. Ultimately, both the chloroplast and the mitochondria of eukaryotes are descendants of prokaryotic cells.
E. Algae incorporated prokaryotic cells that became chloroplasts, but never acquired mitochondria.
Answer: E
You might also like to view...
Watson and Crick are famous for determining
a. the presence of nuclein (DNA) in pus cells. b. the role of DNA in cells. c. what chemical components are in DNA. d. the three-dimensional structure of DNA. e. the location of DNA in cells.
A microorganism that has an optimum growth temperature of 37°C, but can survive short exposure to high temperatures is called a(n) ________.
A. thermophile B. thermoduric microbe C. facultative psychrophile D. extremophile E. psychrophile
The class of proteobacteria that may be incorporated into the gamma proteobacteria is the ________.
A. delta proteobacteria B. alpha proteobacteria C. beta proteobacteria D. epsilon proteobacteria
Which list has structures that are involved only in the sense of hearing?
A) middle ear bones, semicircular canals, basilar membrane B) eardrum, utricle, organ of Corti C) oval window, cochlea, aqueous humor D) oval window, basilar membrane, organ of Corti