short for microorganism which means small organism - observed with a microscope
% of microbes contribute to the quality of human life
Infectious agents composed primarily of protein which induce the existing polypeptides in host cells to take on its form.
single cell with nuclear material but no nuclear membrane or membrane bound organelles
most cells - with organized nucleus and membrane bound organelles
Mitochondria and Chloroplasts
have DNA similar to that of a Prokaryotic cell and can reproduce independent of the rest of the Eukaryotic cell
has only one cell, lives in all environments.
A _____ ________ of microbes cause disease in humans by sheer numbers or producing powerful toxins.
bacteria, Archaea, algae, fungi, protozoa, and viruses
major groups of microbes are:
In terms of numbers, what represent most of the diversity of life on earth and are found in every environment?
Viruses do not have cellular components, nor do they grow or metabolize organic materials. Generally consist of a piece of nucleic acid encased in protein which must use the cellular components of a living cell to reproduce.
proteinaceous infectious particles
infectious agents composed primarily of protein which induce the existing polypeptides in host cells to take on its form.
what part of the cell is for protection and support?
what, in plants, is for photosynthesis?
It is believed that both chloroplasts and mitochondria were one independent ___________ who took up residence in the __________ cell and have developed a special symbiotic relationship.
kind of cell that is in bacteria
how many cells are in bacteria
where do bacteria live?
sherical, rod, spiral
shapes of bacteria
some form spores
bacteria that make their own food as plants and give off oxygen
Cyanobacteria and purple and green bacteria are.....
bacteria that synthesize their own food using energy from chemical reations.
recycling in nitrogen and sulfur cycles
what are chemoautorphic bacteria important for?
What do some bacteria have that rotates like a tiny outboard motor?
slime like slugs
how do bacteria that don't have flagella move?
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