Prokaryotes: Bacteria and Archaea

Flashcards covering key concepts related to prokaryotes, their structures, functions, differences between Bacteria and Archaea, and important microbiological principles.

Bacteria and Archaea live under __ conditions.

extreme

Koch's Postulates consists of 4 steps to prove a _ relationship between a microorganism and a disease.

causal

Gram-positive bacteria have a __ PG layer.

thick

Gram-negative bacteria have a __ PG layer.

thinner plus an outer lipid bilayer

Prokaryotes play a significant role in continuously moving __ through the biosphere.

carbon

__ bacteria are known for their ability to thrive in extreme salt environments.

Halophiles

The __ cycle is completed by nitrogen-fixing bacteria in root nodules of legumes.

nitrogen

Cyanobacteria are known for generating __ during photosynthesis.

O2

Endospores are produced by some bacteria under __ conditions.

stress

The bacterium __ causes cholera.

Vibrio cholerae

The microorganism must be isolated from a diseased organism and grown in __ culture.

pure

The __ is the fundamental unit of classification in biology.

domain

Bacteria can reproduce quickly through a process called __.

binary fission

Archaea differ from Bacteria in their __ membranes.

plasma

Methanogens are a type of _ that produce methane.

Archaea

Certain antibacterials like __ affect the peptidoglycan cell wall.

penicillin

Microbial bioremediation uses prokaryotes to remove __.

pollutants