Formalin (37% formaldehyde) is used for
A) antisepsis.
B) disinfection.
C) sterilization.
D) sanitization.
E) both disinfection and sterilization.
E
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Which of the following represents the last of the nonmodern humans?
A. Cro-Magnon B. Neanderthals C. Homo ergater D. Homo habilis
Which of the following is NOT an anemia?
a. mononucleosis b. pernicious c. sickle cell d. hemolytic e. iron-deficiency
The mechanism of sympatric speciation has been verified in hemp nettles by:
a. creating unique hybrids under laboratory conditions. b. producing hybrids that were 98% fertile under laboratory conditions. c. producing experimental hybrids that formed fertile offspring with the naturally occurring hybrid. d. producing experimental hybrids that could reproduce successfully with both parent species. e. creating hybrids that reproduced through the F4 generation before dying from hybrid inviability
To inherit an autosomal dominant disorder a person could receive the disease causing allele from
a) the father only, not the mother. b) the mother only, not the father. c) the mother or the father. d) the parent who does not exhibit the disease. e) All answers are correct.