White blood cells are a type of
A) Connective tissue
B) Epithelial tissue
C) Muscle tissue
D) Nervous tissue
Ans: A) Connective tissue
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Archaea have been shown to inhabit which of the following environments?
A. environments with a pH of 1 or below B. environments with a temperature of 100C C. environments with a high salinity D. environments with a low oxygen concentration
The stain that requires heating the slide for better penetration of stain into the mycobacterial cell wall is known as the:
a. Kinyoun's. b. Ziehl-Neelsen. c. fluorochrome. d. carbolfuchsin.
In some cases, inhibitors or activators of enzymecatalyzed
reactions act by a. binding to the substrates. b. affecting the supply of ATP. c. reversibly binding to an enzyme’s allosteric site. d. reducing or increasing the concentration of enzymes. e. binding to the products.
A toxin that acts on the intestine is called an enterotoxin
a. true b. false