Lactoperoxidase participates in antimicrobial defense by:

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Prepare for the VCDH Microbiology Test with comprehensive quizzes. Enhance your knowledge with multiple-choice questions, flashcards, and hints for each question. Study effectively and succeed in your exam!

Multiple Choice

Lactoperoxidase participates in antimicrobial defense by:

Explanation:
Lactoperoxidase defends microbes by using hydrogen peroxide to oxidize substrates like thiocyanate, producing antimicrobial oxidants such as hypothiocyanite. This reactive oxygen species-like product disrupts microbial enzymes and membranes, inhibiting growth. So the best answer is that it generates reactive oxygen species. It does not function by binding to DNA, nor by directly breaking down hydrogen peroxide, nor by activating neutrophils; those are not roles of this enzyme in secretions like saliva or milk.

Lactoperoxidase defends microbes by using hydrogen peroxide to oxidize substrates like thiocyanate, producing antimicrobial oxidants such as hypothiocyanite. This reactive oxygen species-like product disrupts microbial enzymes and membranes, inhibiting growth. So the best answer is that it generates reactive oxygen species. It does not function by binding to DNA, nor by directly breaking down hydrogen peroxide, nor by activating neutrophils; those are not roles of this enzyme in secretions like saliva or milk.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy