Which of the following statements is true of
the proteobacteria?
a. They are the most diverse group of bacteria.
b. Some are photoautotrophs.
c. Some are chemoautotrophs.
d. Some are chemoheterotrophs.
e. All of these are true
E
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Travelers should be vaccinated against yellow fever when traveling to Sub-Saharan Africa or South America
Indicate whether the statement is true or false.
Which of the following statements regarding the loss of biodiversity is false?
A. Earth is losing 2.5% of its species annually. B. There will be fewer species at the end of the 21st century than there are now. C. Loss of biodiversity results in the loss of novel compounds with potential medical applications. D. Loss of biodiversity may result in less productive and resilient communities. E. Habitat degradation is one of the most important threats to biodiversity.
A catalase-negative, non–spore forming, and gram-positive rod that is not acid-fast could possibly belong to which group of bacteria?
a. Corynebacterium b. Bacillus c. Actinomyces d. Erysipelothrix
Georges-Louis Leclerc was an eighteenth-century taxonomist who developed the binomial system of nomenclature.
Answer the following statement true (T) or false (F)