For some bacterial diseases such as tetanus, it is more effective to produce an immune response against the bacterial toxin than against the bacteria
Indicate whether the statement is true or false
TRUE
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You are part of a team that discovers a new nitrogen-fixing bacteria in symbiosis with a plant. As you study this new bacteria, you discover that it is photosynthetic. This bacteria is likely to be
A. cyanobacteria. B. proteobacteria. C. actinobacteria. D. none of the above.
Ever since the antibiotic drug penicillin was discovered in 1928, the incidence of resistant bacteria has steadily increased as a direct result of
(a). biodiversity. (b). natural selection. (c). homeostasis. (d). development. (e). reproduction.
The random movement of molecules is referred to as:
A. transport. B. osmosis. C. diffusion. D. All of the answer options are correct.
Megaspores produce ____
a. female gametophytes b. pollen grains c. sporophytes d. male gametophytes e. diploid tissue