Mycorrhizae are nitrogen-fixing bacteria living within the roots of certain tropical trees

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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A type of fungus that produces toxic alkaloids is

a. Aspergillus. b. the death cap mushroom. c. ergot. d. the Psilocybe mushroom

Biology & Microbiology

Ancestors of whales are believed to have been artiodactyls, a group of terrestrial mammals including all of the following animals except ________

a. deer b. antelope c. pigs d. horses

Biology & Microbiology

Before another action potential “spike” can occur

a. there must be a very brief restoration of the resting conditions in the membrane. b. the membrane voltage must drop to zero. c. the sodium-potassium pump must cease temporarily. d. all of the membrane gates must be closed at the same time. e. all of these must happen.

Biology & Microbiology

Cat scratch disease is caused by

A. Bartonella bacilliformis. B. Bartonella henselae. C. Bartonella quintana. D. Bartonella peliosis. E. Bartonella angiomatosis.

Biology & Microbiology