Name That Microbe

Name That Microbe. Jessica R. Overholt, Karah Panwell, Josephine Neutchap, Vanessa Olivas.

Fungi. Jessica R. Overholt.

Fungus/ Fungi Introduction. Eukaryotic organism that are unique from other eukaryotic kingdoms Fungi encompass molds, mushrooms, and yeast. Chitin in the cell walls of fungi, distinguish it from other bacteria, plants, and protists. Some parasites & fungi are visible to the naked eye Fungi are unique because they are not photosynthetic, but are heterotrophs.

Close up of pasta with pesto sauce in a white bowl.

Stack of raviolis topped with caramelized onions on a white plate.

Close up of pasta with pesto sauce in a white bowl.

Bacteria Introduction. Bacteria are single-celled organisms that are neither plants nor animals. They are classified into five groups according to basic shapes (morphology): spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). Gram (-) or Gram (+) They lack membrane-bound organelles and can function/reproduce as individual cells. Their genome is commonly only a single loop of DNA, but can also harbor pieces of DNA known as plasmids. Most are heterotrophs, while some can be photo or chemosynthetic autotrophs..

The Microscopy of Bacteria. Compound microscope is a common instrument to view bacteria with at least 400x magnification Preparation of bacteria in culture media helps with visualization Staining provides contrast and classification.

Tips for Viewing Bacteria Under the Microscope. Use a 40x objective with a 10x eyepiece Completely close the condenser on the microscope increases contrast and depth of field Use very little water under the coverslip lowers the chance of bacteria floating vertically and going out of focus Keep bacterial density low lessens the chance for them to overlap.

Normal cell 'Eelty Adhesive knob Infected RBC Malaria parasites multiply.

Protozoa under the microscope. Protozoa vary in size and shapes and can grow up to 1/50 of an inch in diameter Sometimes they are described as worm like creatures. The protozoa cells contain a nucleus that acts like the cell’s brain. Most protozoa are colorless and do not have natural pigments in their cell, compared to the green chlorophyll in algae and plant cells Grouped into 3 different shapes: 1- round, with small spikes surrounding the cell 2- round with a small tail at the rear of the cell 3- in a 'c' shape but Protozoa also come in many other different shapes and sizes. (I viewed videos on YouTube of protozoa under the microscope and they look like little bugs. You can seen the nucleus inside the membrane and the cilia. They look like little legs and in all the videos I saw the microbe was moving constantly moving around and they were quick) TIP: The microscope used for observation of protozoa is a compound microscope with 3 powers (10x, 40x and 400x). At 400x magnification you will be able to see bacteria, blood cells and protozoans swimming around..

Contractile vacuole Radiating canals Micronucleus 0 7 Macronucleus Cytoplasm Food vacuoles Cilia Pellicle Oral Groove (Vestibulum) Buccal overture Cell Mouth (Cytostome) Anal pore (Cytoproct).