Which of the following domains consists of organisms whose cells lack nuclei?
a. Bacteria and Eukarya
b. Archaea and Eukarya
c. Archaea and Bacteria
d. all of the choices
c
Biology & Microbiology
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Molecules that absorb light are called
A. enzymes. B. electron carriers. C. pigments. D. photosynthesizers. E. absorbers.
Biology & Microbiology
Dinoflagellates became photosynthetic via secondary endosymbiosis
Indicate whether the statement is true or false.
Biology & Microbiology
What does Vibrio fischeri use to communicate?
A. Bioluminescence B. Physical contact C. Secreted chemicals D. Electrical impulses
Biology & Microbiology
Which of the following is an example of r-selected organism?
A. Coconut palm B. Flies C. Elephants D. Humans E. Horses
Biology & Microbiology