If the decolorizer is left on too long in the Gram-staining procedure, Gram-positive organisms will be stained ________ and Gram-negative organisms will be stained ________.
A. purple; pink
B. purple; blue
C. purple; colorless
D. pink; pink
Answer: D
Biology & Microbiology
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Annual plants germinate, reproduce, and die in one season. Where do these plants often evolve?
A) deserts B) tundra C) deciduous forests D) chaparral
Biology & Microbiology
The basement membrane of epithelial tissues produces a waterproof barrier of cells to protect the tissue above it
Indicate whether the statement is true or false
Biology & Microbiology
The manipulation of genetic material for human purposes, the practice of ________, began almost as soon as we began to understand the language of DNA
Fill in the blank(s) with correct word
Biology & Microbiology
Viral envelopes are composed of ________.
A. lipids B. carbohydrates C. proteins D. All of the choices are correct.
Biology & Microbiology