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Live Specimens


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Live Specimens

Live specimens are used for a wide variety of studies including studying the physiological effects of drugs on a specimen’s heartbeat and temperature on metabolism, the locomotion of microscopic organisms, and studying plant respiration, photosynthesis, plosmolysis, and more. Algal cultures form colonies of cells that are extremely easy to visualize for better understanding of cell walls and plastids, and many live specimens reproduce rapidly for quick turnover between successive tests.


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Description:   Produces streptomycin. Branching mycelium and coenocytic hyphae. 

Description:   Nitrogen fixation, produces nodules on legume roots. Bacteroids from nodules can be X, Y, and club shapes.
Description:   This yellow, shiny organism is known to cause wound infections and more famously, toxic shock syndrome.
Catalog Number: (470179-214)

Description:   Zygomycete. Mating strain, cross with <i>Phycomyces blakesleeanus</i> (-) to produce zygospores. Incubation temperature 25°C. Potato dextrose agar growth medium.
Description:   The presence of A. viscolactis in milk is a common cause for sliminess or "ropiness".
Description:   Ascomycete. Baker’s yeast. Reproduction by budding. Incubation temperature 30°C. YM agar growth medium.
Description:   All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Description:   All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Description:   Red-pigmented halophile from evaporating salt ponds; requires 25% salt medium, lyses easily in plain water, releasing DNA.
Description:   Freshwater. Colonial; net-like structure with multinucleated cells. Basic culture solution.<BR><BR>Characterized by green plastids and cell walls composed of cellulose.
Catalog Number: (470177-444)

Description:   Investigate mushroom structures
Catalog Number: (470179-898)

Description:   Freshwater. Unicellular; heart-shaped cell. Soil-water medium.<BR><BR>Characterized by a lack of rigid cellulosic walls, instead these organisms have pellicles made of protein. They store paramylon instead of starch.
Catalog Number: (470179-192)

Description:   Found in fresh water. Chromogenesis; blue to purple pigments produced. Motile. Rods. Gram negative reaction. Aerobic. Incubation temperature 30°C. Do not refrigerate because it cannot survive in temperatures below 25°C. Nutrient broth growth medium. <i>Note:</i> Pathogen.<BR><BR>Packaged in a 16 x 125 mm tubes. Call our Customer Service for availability of demo plates and other special orders.
Description:   This organism is commonly isolated from sewage, water, soil and dairy products, as it is a normal part of intestinal flora.
Catalog Number: (470179-034)

Description:   Point mutation in cistron B; pseudoallele of T4rIIA. Reversion rate to wild type approximately 10<sup>6</sup>.<BR><BR>The liquid coliphage suspension is routinely tested for quality, purity, and titer. It contains DNA or RNA supplied as a filtered tryptic soy broth suspension of relative infective titer (108 plaque-forming units per mL). It comes with culture information. The liquid suspension is in tryptic soy broth. It is supplied in a vial and the proven titer is noted on the label. Quantity: 3 mL. Keep refrigerated.

Description:   Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-962-2660.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-962-2660 or email [email protected].
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