S pyogenes is a typically 0.6-1.0 mm-diameter, round to ovoid coccus. They split into pairs or chains of different lengths (particularly in liquid media or clinical material) because they divide in a single plane.
<h3>What is Streptococcus pyogenes ?</h3>
A species of aerotolerant, gram-positive bacteria belonging to the genus Streptococcus is called Streptococcus pyogenes. These bacteria are extracellular and composed of cocci (round cells), which are not spore-producing or motile and frequently form chains.
- Several illnesses, including pharyngitis, skin infections, acute rheumatic fever, scarlet fever, poststreptococcal glomerulonephritis, a toxic shock-like syndrome, and necrotizing fasciitis are brought on by the Gram-positive bacterium streptococcus pyogenes.
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This process is called Gold cyanidation, this process is also known as cyanide process, and the MacArthur-Forrest process. This process is a hydrometallurgical technique for extracting gold from low grade ore in the way that it converts the gold to a water-soluble coordination complex. This the most commonly used leaching process for extraction of gold.
Answer:
Explanation:
This is usually because when they first became fossils, they embedded into the ground. Over many years afterwards, more layers came to cover that layer and so on. Newer fossils would be embedded into newer layers. That's why the older ones tend to be found the deeper you look.
Answer: Eutrophication
Explanation:
Eutrophication occurs when the amount of nutrients and minerals deposited in water bodies such as rivers, lake etc is at an increased rate such that the number of aquatic organisms multiplies leading to reduction in oxygen present in the water. Examples of human activities that cause eutrophication are
- uncontrolled use of fertilizer
- application of chemical such as pesticides, herbicides on farms, as they could be washed by rain into nearby lakes