In general, prokaryotic genome size is correlated to lifestyle. Which type of prokaryote typically has the smallest genome?
A) parasite
B) endosymbiont
C) autotroph
D) free-living heterotroph
Answer: B
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Water distribution systems contain
A) very few bacteria or other microorganisms. B) biofilms that may harbor opportunistic pathogens. C) numerous grazing protists that consume bacteria. D) biofilms that may harbor opportunistic pathogens and numerous grazing protists that consume bacteria.
Bacteria that can absorb light energy and convert it into ATP are commonly called
A. cytochromes. B. lysosomes. C. chemotrophs. D. phototrophs. E. cytochromes AND chemotrophs.
Nondisjunction refers to the ____
a. failure of sister chromatids to separate during mitosis b. improper pairing of nonhomologous chromosomes during meiosis c. failure of sister chromatids to pair during mitosis d. failure of homologous pairs or sister chromatids to separate during meiosis e. failure of homologous pairs to separate during mitosis
In the 1950s, mitochondrial genomes were discovered by differential staining for ________
Fill in the blank(s) with correct word