What is the usual route of transmission for mononucleosis?
a) Contaminated blood
b) Mosquitoes
c) Aerosols
d) Transfer of saliva
Ans: d) Transfer of saliva
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The mechanism of muscle contraction was first studied in ____ muscle using high-resolution ____ microscopy
a. skeletal; light b. smooth; light c. skeletal; electron d. smooth; electron e. cardiac; electron
Why are bacterial decomposers important?
a. Most cause disease. b. They produce spores. c. They fix nitrogen. d. Common in biotechnology. e. They break down complex organic molecules in wastes and remains.
Growth factors
A. are inorganic. B. contain elemental oxygen. C. cannot be synthesized by the organism. D. are synthesized by the organism. E. All of the choices are correct.
PKU is a hereditary condition that appears only if a person has two copies of the gene. Therefore, the gene is ________
Fill in the blank(s) with correct word