Which of the following substances is used for surgical hand scrubs?
A) phenol
B) chlorine bleach
C) chlorhexidine
D) soap
E) glutaraldehyde
C
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Which of the following is NOT a part of the concept of organic farming?
A. use of organic fertilizers B. use of growth regulators C. nonuse of pesticides D. nonuse of inorganic fertilizers E. use of composted wastes
Answer the following statements true (T) or false (F)
1. The cell is the basic structural/functional unit common to all living organisms. 2. Fluorescence microscopy enables researchers to label and visualize a particular type of cellular protein or organelle. 3. All plant cells contain centrioles. 4. The genome has more influence on the function of cells in different organs than does the proteome.
The molecule that rapidly replenishes ATP at the beginning of muscle activity is
A. actin. B. creatine phosphate. C. dystrophin. D. acetylcholine. E. myosin.
Sexual reproduction requires the fertilization of an egg by a sperm.
a. true b. false