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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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

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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

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Viral envelopes are composed of ________.

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