Molebdenum is a cofactor for nitrogenase, which means every nitrogen-fixing microorganisms will not be able to fix nitrogen without Mo
Indicate whether the statement is true or false.
Answer: TRUE
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Which of the following terms describes the measure of members of a single species in a habitat against all organisms within the same area?
a. community diversity b. absolute species abundance c. relative species abundance d. community richness
Abscission and dormancy are triggered by environmental cues such as seasonal changes in
__________ or __________. Fill in the blank(s) with the appropriate word(s).
Which of the following diseases is caused by a spirochete?
a. syphilus b. chlamydia c. strep throat d. botulism
Which one of the following groups would not be capable of hydrogen bonding with an oxygen atom on another functional group?
A. amino B. hydroxyl C. carboxylic acid D. sulfhydryl E. none of the above