4. How are the different shapes of bacteria useful for scientists or doctors?
Answers
Answer:
Bacteria are identified routinely by morphological and biochemical tests, supplemented as needed by specialized tests such as serotyping and antibiotic inhibition patterns. Newer molecular techniques permit species to be identified by their genetic sequences, sometimes directly from the clinical specimen.
Explanation:
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Answer:
Bacteria shaped like a ball are called cocci, and a single bacterium is a coccus. responsible for “strep throat.”
Rod-shaped: These are known as bacilli (singular bacillus). Some rod-shaped bacteria are curved. These are known as vibrio.
Spiral: These are known as spirilla (singular spirillus). If their coil is very tight they are known as spirochetes. Leptospirosis, Lyme disease, and syphilis are caused by bacteria of this shape.
Explanation:
Bacteria in the digestive system break down nutrients, such as complex sugars, into forms the body can use.
Lactic acid bacteria, such as Lactobacillus and Lactococcus together with yeast and molds, or fungi, are used to prepare foods such as as cheese, soy sauce, natto (fermented soy beans), vinegar, yogurt, and pickles.
Bacteria can break down organic compounds. This is useful for activities such as waste processing and cleaning up oil spills and toxic waste.
Bacteria are needed to make antibiotics.
Bacillus thuringiensis (Bt) is a bacterium that can be used in agriculture instead of pesticides. It does not have the undesirable environmental consequences associated with pesticide use.