Bacterial Contaminants Grow in Food in a Closed Container

question 72

Multiple Choice

Bacterial contaminants grow in food in a closed container. The food is heated after the container is opened, but a person develops food poisoning after eating it. The bacteria were producing

• A) an exotoxin.
• B) capsules.
• C) endotoxin.
• D) an exoenzyme.
• E) antiphagocytic factors.

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Definitions:

Chromatin

The complex of DNA and protein that makes up eukaryotic chromosomes.

Chromosomes

Structures in the cell nucleus that consist of chromatin and contain the genes. The chromosomes become visible under the microscope as distinct structures during cell division.

Proteins

Large biomolecules composed of one or more chains of amino acids, which perform a vast array of functions within organisms.

Cytoplasm

The plasma membrane and cell contents with the exception of the nucleus.