The leukocyte histamine-release test (LHRT) measures the amount of histamine released from the patient's mast cells and eosinophils when exposed to a specific allergen.
Answer the following statement true (T) or false (F)
False
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Who proposed that the structure of DNA is a double helix with two polynucleotide chains running in opposite directions and held together by hydrogen bonding between pairs of nitrogenous bases?
A. Hershey and Chase B. Chargaff C. Franklin D. Watson and Crick E. Meselson and Stahl
Joining a scion with useful fruit traits to a stock with useful root traits is called
a. fragmentation. b. protoplast fusion. c. somaclonal section. d. grafting. e. apomixis.
Which type of plant hormone promotes fruit ripening?
a. ethylene b. jasmonates c. gibberellins d. brassinosteroids e. abscisic acid
Continued widespread use of the phenolic compound triclosan is advantageous in that it is important to remove as many organisms as possible from our hands and there is little risk of resistant organisms evolving.
Answer the following statement true (T) or false (F)