Chapter 1 micro

Microbiota

Organisms that populate the human body, and which protect it from disease are termed normal ____

Parents not having their children vaccinated

What is a factor that count for the new emergence of new diseases and developed countries?

Small size

What is the only shared feature of all microbes?

Mad cow disease ebola zika Lyme disease

What of the following are examples of emerging infectious diseases?

Pathogen

A _____ is the term used for any disease causing microorganism

Protists

Algae and protozoa are also referred to as _____, a diverse group that falls within the domain eukarya

emerging infectious diseases

An infectious disease that has become more common in the last several decades is referred to as a(n)

Old Friends Hypothesis

Early exposure to microorganisms appears to help the immune system learn to distinguish good microbes from those that can cause severe disease. This concept is referred to as the ________

Bacteria only

Members of which domain lack of membrane bound nucleus and possesses rigid cell walls that contain peptidoglycsn

Microorganisms are cheaper to study microorganisms have the same basic metabolic mechanisms microorganisms have the same fundamental genetic properties microorganisms multiply quickly

Microorganisms are useful in the study of higher life forms for which of the following reasons

Binomial; Carl Linnaeus

Scientific names are assigned according to the ______ system of nomenclature developed by _____

Strain

Slight genetic variations among members of the same species are indicated by assigning ______ designations

Spontaneous generation

The concept of living things arising from vital sources in nonliving or decomposing materials was known as

Plain of division

The dividing bacterial cells can stick to each other they can form characteristic arrangement, such as pears, chains, or clusters, depending on the _______

SARS

The emerging infectious disease COVID-19 is caused by a virus called ______-CoV-2

Biodegradation

The use of microorganisms to hasten, the degradation of harmful chemicals is called ______

Biotechnology

The use of microorganisms to solve practical problems is the definition of _______

The human Microbiome project

Used DNA sequencing to characterize microbial communities that inhabit the human body

Bacteria Archaea eukarya

What are the three domains of living organisms?

Pleomorphic

Bacteria that are characteristically very in their shape are said to be_____

Plague is a _____

Bacterial disease that can be transmitted by fleas

Nitrogen fixation

Certain microbes are able to convert N2 into a form of nitrogen that plants and animals can use this process is called

The microbial community itself The total genetic content of a microbial community

Consider the human Microbiome project begun in 2007 the term Microbiome has, which two overlapping meanings

Microbes

Which group includes some members that can convert nitrogen to a form other organisms can use to make proteins and nucleic acids

John Needham

______ showed that flasks, containing various broths gave rise to microorganisms, even when the flasks were boiled and sealed with a cork

Prokaryotes; binary fission

Archaea, like bacteria, are single- celled ______ that multiply via the process of ______ _____

DNA sequencing

Because less than one percent of microorganisms can currently be grown in the laboratory most of what we know about the other 99% comes from _______