If the NaCl concentration drops below 1.5 M the cell walls of Halobacterium disintegrate.
Answer the following statement true (T) or false (F)
True
Biology & Microbiology
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An animal's circulatory system contains ____
a. solid medium to transport nitrogen b. blood vessels for transporting solid food c. blood vessels leading to the heart d. a mouth opening to the outside e. nitrogen to transport wastes
Biology & Microbiology
Stem cells found in the red marrow inside bones
A) phagocytize bacterial cells. B) are primarily important in blood clotting. C) are responsible for an immune response. D) can differentiate into all blood cells and platelets.
Biology & Microbiology
An element with 22 protons, 22 neutrons, and 22 electrons would have an atomic number of:
A) 11. B) 44. C) 66. D) 22.
Biology & Microbiology
If sixty snow geese were alive in 1926 and 856 existed in 2001, what is r?
A) 0.070 B) 0.035 C) 0.094
Biology & Microbiology