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4. The protocols for each stain are slightly different. a. The capsule stain is a negative stain. Define what a "negative stain" means in this context: b. A negative stain is used is used for capsules because the capsule itself. not?) retain the stain, whereas the bacteria (does or does (does or does not?) retain the stain. We (can or cannot?) determine the presence/absence of a capsule if we cannot see the bacteria within the capsule. c. It is preferable to use an endospore stain because (older or younger?) culture of Bacillus subtilis for the d. For most stains, it is very important to include controls because the endospores stain easily, it is not necessary to include a negative control on the same slide because However, with