After crystal violet staining, the Gram-positive bacteria may appear dark blue or violet. The cell wall of gram positive bacteria have thick peptidoglycan layer, thus it retains the crystal violet stain compared to gram negative bacteria.
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I believe the blank is "mass."
Answer:
taiga
Explanation:
taiga which is also known as coniferous or boreal forest . Also it is the largest terrestrial biome on the earth
The limbic system is responsible for controlling learning and emotional behavior
