An Unknown Bacterial Species Is Recovered from a Sick Patient's

question 24

Multiple Choice

An unknown bacterial species is recovered from a sick patient's digestive tract.It has a membrane outside the cell wall that contains toxic lipids.This observation indicates

• A)that the infection should be relatively easy to control with common antibiotics,because the pathogen is a gram- negative species.
• B)that the infection may be quite threatening and difficult to control,because the pathogen is a gram- negative species.
• C)that the infection may be quite threatening and difficult to control,because the pathogen is a gram- positive species.
• D)that the infection should be relatively easy to control with common antibiotics,because the pathogen is a gram- positive species.

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Definitions:

Ultraviolet Radiation

A form of electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays, capable of causing skin burns and can play a beneficial role in vitamin D production.

Ozone Layer

The ozone layer is a stratospheric layer rich in ozone, which protects life on Earth by absorbing the majority of the sun's harmful ultraviolet radiation.

Organic Life

Refers to life forms that are based on carbon compounds, which includes all living organisms on Earth.

Mutation

A change in the DNA sequence of an organism that can lead to differences in physical traits or susceptibility to certain diseases.