When a little curd is added to milk, the Lactobacillus bacteria present in the curd converts lactose sugar contained in milk into lactic acid.
The increased acidity in milk causes the protein, casein, to coagulate or form lumps, which leads to the formation of curds.
The nurse may say something along the lines of "The order will be submitted to your physician. Your parents will not know." It is only a simple test to see whether the boy has contracted the Human Immuno-Deficiency virus, and thus is not anything that requires interference on the parents' part, which may bring embarrassment on the adolescent. The nurse is practicing general ethics and her moral code here.
Answer:
Soil is a material made up of gases, organic substances, water, and microorganisms. This material may be used in building a roadbed and is often referred to as dirt. In comparison, a soil is a natural body that is three-dimensional much like a lake or mountain.
Explanation:
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Answer:
Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light. Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes.
Explanation:
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