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What They Eat


Fungi absorb nutrients from living or dead organic matter (plant or animal stuff) that they grow on. They absorb simple, easily dissolved nutrients, such as sugars, through their cell walls. They give off special digestive enzymes to break down complex nutrient... Read More

Where They’re Found


Fungi can be found in rising bread, moldy bread, and old food in the refrigerator, and on forest floors. Most decompose non-living things, but some damage crops and plants. A few cause problems in people, such as Candida, which causes yeast infections.... Read More

Protista

Algae, Protozoa, Slime Molds, and Water Molds


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Protista of Note





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Dinoflagellates

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Green Algae

The most clearly plant-like algae, this species gets its namesake hue from high levels of chlorophyll.


Their cell walls are made up of cellulose, the same material that makes up the cell walls in larger, multicellular plants. Like plants, they store the food they make through photosyn... Read More

Microbial Mergers

Collaborations on a Minute Scale



Over millions of years of evolution, we humans have worked out a mutually beneficial partnership with the microbes that came to inhabit our guts. In ... Read More

Diatoms

Mitochondria and Chloroplasts




The Partnerships That Led to Higher Life


If you could peer deep into one of the many cells in your body, you’d see little blobs, squiggles, and coils. These are the cel... Read More

Culture Media

Microbes require nutrients to grow. These are supplied by either solid or liquid culture media. The standard solid medium is nutrient agar, a gelatinous substance derived from seaweed. The basic liquid medium is nutrient broth, typically a mix of water, meat extract peptone, and sodium chlori... Read More

Petri, Plates and Flasks

tool_2_flasks Read More

Culture Equipment

When microbiologists want to identify microbes in a sample or study microbes in-depth, they often try to culture, or grow, the microbial cells in their labs. The scientists can then manipulate the cells or their environments to see what effects these changes have on the organisms.


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Electron

Electron Microscope Read More

Pipetts and Swabs

pipetteThese are ... Read More

Genetic Tools and Techniques

Genetic Tools and Techniques

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History of Microbiology

Microbiology’s 50 Most Significant Events 1875–Present


Browse specific time periods.


What They Look Like


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Gene Sequencing

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PCR

pcr Read More

Light

Basic Light Microscope Read More

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