The process of incineration is used for
A) sterilization.
B) degerming.
C) disinfection.
D) sanitization.
E) both disinfection and sanitization.
A
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DES is called an "endocrine disrupting chemical" because it structurally resembles, and interferes with, the endocrine secretions of the _____
A) thyroid gland B) adrenal medulla C) ovaries D) hypothalamus
according to the fluid-mosaic model of membrane structure
A. proteins make up the bulk of the membrane B. proteins float inside or within the phospholipid bilayer C. only lipids are found in the membrane D. cholesterol is the main constituent of the membrane
Cultures taken from an impetigo lesion reveal bacteria that are Gram-positive cocci which are catalase- and coagulase-negative and cause beta-hemolysis when cultured on blood agar. The responsible species is
A) Staphylococcus aureus. B) staphylococci species other than Staphylococcus aureus. C) Streptococcus pyogenes. D) Pseudomonas aeruginosa. E) Clostridium perfringens.
True or False: Acidophiles maintain a cytoplasmic pH below 5.5
a. TRUE b. FALSE