As much as 50 percent of a soil’s volume is
a. air.
b. iron.
c. manganese.
d. water.
A
Biology & Microbiology
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The bacteria that cause botulism cannot live in the
presence of a. carbon dioxide. b. oxygen. c. glucose. d. water. e. ATP.
Biology & Microbiology
DNA sequencing suggests that among the green algae, the ________ are most closely related to land plants.
A. Stoneworts B. Volvox C. Ulva D. Chlamydomonas E. Spirogyra
Biology & Microbiology
Every atom of the same element has an equal number of electrons and protons
Indicate whether the statement is true or false
Biology & Microbiology
What contributes to antigenic shift in influenza viruses?
A) worldwide distribution of the virus B) a segmented genome C) attachment spikes D) ease of virus transmission E) different virus subtypes
Biology & Microbiology