Use the Information in the Following Paragraph to Answer the Question

question 17

Multiple Choice

Use the information in the following paragraph to answer the question.
A hypothetical bacterium swims among human intestinal contents until it finds a suitable location on the intestinal lining. It adheres to the intestinal lining using a feature that also protects it from phagocytes, bacteriophages, and dehydration. Fecal matter from a human in whose intestine this bacterium lives can spread the bacterium, even after being mixed with water and boiled. The bacterium is not susceptible to the penicillin family of antibiotics. It contains no plasmids and relatively little peptidoglycan.
In which feature should one be able to locate a complete chromosome of this bacterium?

• A) mitochondrion
• B) nucleoid
• C) nucleus
• D) plasmid

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Definitions:

Dermis

The dermis is the thick layer of skin beneath the epidermis, containing nerve endings, sweat glands, hair follicles, and blood vessels, contributing to skin's flexibility and strength.

Melanocytes

Cells in the skin and hair follicles responsible for the production and distribution of melanin, giving skin and hair their color.

Light-Skinned

A term describing a human skin type that has a lighter pigmentation, often due to genetics and geographical ancestry.

Melanin

A pigment that gives the skin, hair, and eyes their color, and helps protect the skin against damage from ultraviolet radiation.