Intro to microbiology- Unit 1 Chapter 1

The area of science that studies organisms too small to be seen without magnification

Microbiology

Organisms too small to be seen without magnification

Microorganisms or microbes

3 Domains in the tree of life

Bacteria, Archaea, Eukarya

Four eukryotic kingdoms

Protista, Fungi, Plantae, Animalia

Two subkingdoms of protisa

Protozoa and Algae

TF: Viruses are living organisms

False

Microbes that cause diseases

Pathogenic microbes

Where is the dna in a prokaryote

In the cytoplasm in a nucleoid

Where is the dna in a eukaryote

In the nucleus

Which domain possesses membrane bound organelles

Eukarya

How big is the typical prokaryote

0.1-5.0 μM

How large is the typical eukaryote

10-100 μM

What is the shape of a prokaryote DNA mollecule

circular

What is the shape of a eukaryotic DNA mollecule

linear

Prokaryotes are ________ organisms

unicellular

Eukaryotes can be _______ or _______

unicellular; multicellular

What is the order of taxonomy

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Who depicted molds and published his description (first description of microbes)

Robert Hooke

Who observed bacteria using self designed microscope

Antonie van Leeuwenhoek

How performed the first vaccination against smollpox

Edward Jenner

Who established antiseptic techniques and founded modern nursing

Florence Nightingale

Who disproved spontaneous generation

Louis Pasteur

Who proved that microbes cause diseases

Robert Koch

Who discovered penicillin

Alexander Fleming

What were the first organisms on the earth

Microbes

The biomass of all ______ on earth is equal to the biomass of all plants

bacteria

relationship between organisms where both benefit

mutualism

relationship between organisms where one benefits and the other is unaffected

commensalism

relationship between organisms where one benefits and the other is harmed

parasitism

All microorganisms living in the human body

Human microbiome

Photosynthetic microorganisms contribute more than __% of the eaths photosynthesis

70

Transformation of ammonia to inorganic salts that can be used by plants

Nitrification

Use of living organisms (usually microorganisms) in cleaning pollution

Bioremediation