Multiple choice

What is a “toxin”?

  1. It is basically a poison that harms an organism.

  2. It is a secretion from the salivary gland.

  3. Its a humoral factor in blood.

  4. It is an anticoagulant.

  5. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A toxin is basically a poison that harms an organism.

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