Which of the following types of plants form symbioses with cyanobacteria (thus allowing them access to usable forms of nitrogen)? Select all correct choices
A. mosses
B. aquatic ferns
C. eudicots
D. cycads
B,D
You might also like to view...
Non-virulent bacteria can be prevented from being transformed into virulent bacteria if the debris from heat-killed virulent bacteria is first treated with: (choose all that apply)
A. DNase. B. RNase. C. protease. D. no enzyme.
During which phase of meiosis will the homologous chromosomes pair up?
A. anaphase I B. prophase II C. telophase II D. metaphase I E. prophase I
All of the following apply to the deepest zone of a large lake except:a
effective recycling of minerals. b. anaerobic conditions. c. a mineral-rich zone. d. no light penetration. e. few organisms other than bacteria live here
The region at which the RNA polymerase binds is the ________ region.
A. promoter B. trailer C. leader D. coding