Microorganisms and Their Classifications

These flashcards cover key concepts from the lecture notes on microorganisms including their benefits, harms, classifications, characteristics, and unique features.

Microorganisms are organisms so small that they cannot be seen by the naked eye; they produce desirable products including __ and recycle nutrients.

biotechnology.

Microbes are used in __, a process where they help clean the environment.

bioremediation.

Normal microbiota are considered the __ microbes in our intestines.

'good' guys.

Some microbes are __, which can cause disease.

pathogenic.

Biofilms are communities of __.

microbes.

The three domains of microorganisms are Bacteria, Archaea, and __.

Eukarya.

Bacteria are classified as prokaryotes because they __.

lack a nucleus.

Bacterial cell walls contain __, which is a polymer that helps maintain cell structure.

peptidoglycan.

Archaea lack peptidoglycan but contain __ in their cell walls.

pseudo-murein.

Fungi have a cell wall made of __ and reproduce through mitosis and meiosis.

chitin.

Protozoa have __ for motility and do not have a cell wall.

pseudopods.

Algae are plant-like organisms that have __ in their cell walls.

cellulose.

Helminths are characterized as __, meaning they have both male and female reproductive organs.

hermaphrodites.