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Explain about Battery
Battery: Two electrodes (zinc and carbon) placed in electrolyte (dilute sulfuric acid).
Chemical reactions in electrolyte force positive charges to flow from negative zinc electrode to the positive carbon electrode.
Positive and negative battery terminals set up potential difference which forces positive charges in a circuit to flow with electric field direction (pos. to neg.)
Pulse Oximetry: Procedure: Pulse Oximetry is a safe and simple method of assessing oxygenation. An advantage is that this method is noninvasive and continuous. Previously,
what is the pH inside the stomach?Why is there a need to keep that pH level? How is it maintained?
Name the enzyme present in saliva and say what type of food it acts on. The enzyme in saliva is salivary amylase and it acts on starch.
Determine the Role as antioxidant? Some carotenoids, in addition to serving as a source of vitamin A, have been shown lo function as antioxidants. Studies show that lycopene. (
Why do ecological models commonly have limited applications? The applications of ecological models are limited due to the models are normally very simple and do not accurately
Define Exclusion chromatography - basic separation technique? It is a chromatographic process, in which separation of the sample components takes place according to the molecul
If we were to completely eliminate one group of marine organisms from ocean, which would most likely be fatal to Marin fish populations? Elimination of: a) Starfishes b) Dia
EMBRYONI C MEMBRANES - Such animals are called amniota. Embronic membranes are of 4 types - (i) Yolk sac - It is formed below the embryo. It contains fluid (no yolk
An interesting observation made by an American biologist H.C. Bumpus (1899) provides a good explanation for normalising selection. Bumpus collected some 136 injured house sparrows
How many are the known amino acids that form proteins in living beings? There are twenty dissimilar known amino acids that form proteins related to the genetic code of the livi
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