07/30/25

What is the primary difference between Gram-positive and Gram-negative bacteria?
The primary difference lies in their cell wall structure. Gram-positive bacteria have a thick peptidoglycan layer that retains the crystal violet stain, appearing purple under a microscope.... more
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09/07/17

how might a scientist use observation to study a population of mountain goats?
expain your answer please
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Expert Answers •1

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