Study for the Colorado Esthetician Written Exam. Prepare with flashcards and multiple-choice questions, each with hints and explanations. Get ready for your esthetician license!

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Which type of bacteria forms clusters resembling grapes?

  1. Bacilli

  2. Spirilla

  3. Streptococci

  4. Staphylococci

The correct answer is: Staphylococci

Staphylococci is the correct answer because this type of bacteria forms clusters resembling grapes. Staphylococci are round-shaped bacteria that tend to group together in clusters, giving them a grape-like appearance. Bacilli are rod-shaped bacteria, spirilla are spiral-shaped bacteria, and streptococci are bacteria that form chains. These descriptions do not match the characteristic cluster formation of staphylococci.