The overall charge of a water molecule is ________
a. slightly negative
b. slightly positive
c. neutral
d. a full negative charge
c
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In places where the public sanitation is poor, people run the risk of getting
a. West Nile virus. b. cholera. c. SARS. d. anthrax. e. mononucleosis.
What type of trait is the result of the expression of two or more genes?
a. pleiotropy b. polygenic c. codominance d. penetrance e. multifactorial
Osmosis is the
A. net movement of water across a differentially permeable membrane. B. diffusion of any molecule across a differentially permeable membrane. C. net movement of water from an area of low concentration to an area of high concentration. D. movement of any molecule from an area of high concentration to an area of low concentration.
A (Coulter/Petroff-Hauser chamber/spectrophotometer) counter is used to count cells on a light microscope
What will be an ideal response?