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Alkaline slant - Observation for Carbohydrate Utilization Pattern Test
Alkaline slant (red) and acid butt (yellow) with or without gas production - This indicates fermentation of glucose only. As glucose concentration is low, only small amount of acid is produced which gets oxidized rapidly on a slant surface. The peptones in the medium are also used in the production of alkali so slant is red. The acid reaction is maintained in the butt due to slow growth of organism and low oxygen tension so it becomes yellow.
Explain the types of Carrageenan It was first produced commercially from the red algae, Chandrus crispus, found along the northeast shores of the U.S and Canada and referred t
Types of Embryogeny On the basis of the plane of division of the zygote and of the cells of the 2-celled proembryo, and also taking into account the relative contributions of
Define why the Virginia opossum is considered a generalist and the koala is considered a specialist. The opossum feeds on almost anything, whereas the koala feeds only on the l
The water expulsion vesicle (also known as a contractile vesicle) is an important osmoregulatory organelle in freshwater protists, which are hyperosmotic to surrounding water. Wate
Where in the leaves is photosynthetic tissue often located? The major photosynthetic tissue is the photosynthetic parenchyma (also known as chlorenchyma, do not confuse with co
Animals - Slow Moving Waters Zooplankton are common here and include an assemblage of protozoa and smaller crustacean, such as water flies, and copepods. Neuston occurring her
Define Lipids - Tests for Presence of Exoenzymatic Activity? Lipids are also high molecular weight compounds. Enzyme lipases (esterases) cleaves the ester bond to form glycerol
In peas, tall plants are dominant to short plants. A cross between a tall pea plant and a short pea plant results in half the progeny being tall, and the other half being short. Th
Explain Simple Staining Technique? Here single staining agent is used to determine the size, shape and arrangement of bacterial cells. It is simple and easy to perform. Dried s
Coverage of Ecology AND Evolution to include: Ecology Impact of HTC and/or IRC on chemical usage and the ecological and/or evolutionary impact of the chemical usage
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