A Vaccine Works by ________

question 45

Multiple Choice

A vaccine works by ________.

• A)inhibiting bacterial reproduction
• B)stimulating the immune system to develop lasting defenses
• C)killing cells infected with a virus
• D)preventing translation of mRNA molecules that code for disease-causing proteins

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Definitions:

Polypeptide Chains

Long chains of amino acids linked by peptide bonds, which fold into specific three-dimensional shapes to form proteins.

Ribosome

A cellular organelle that functions as the site of protein synthesis, reading RNA sequences to assemble amino acids into proteins.

Golgi Body

Membrane-enclosed organelle that modifies proteins and lipids, then sorts the finished products into vesicles. Shaped like a stack of pancakes.

Photosynthesis

A process used by plants and other organisms to convert light energy, usually from the sun, into chemical energy that can be later released to fuel the organism's activities.