Examine Figure 23.2 in your textbook. The group "fish" includes all vertebrates except the tetrapods. The taxon "fish" is therefore a _____ group
A. monophyletic
B. paraphyletic
C. polyphyletic
B
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Which of the following types of immunoglobulins is most abundant in serum?
A. IgE B. IgA C. IgM D. IgG
Which of the following is true of hydrogen peroxide?
A. It is a sterilant for inanimate objects and is quickly inactivated on living tissue. B. It leaves a toxic residue. C. It is broken down by catalase into water and oxygen. D. It is even more effective when used in combination with peracetic acid. E. It is a sterilant for inanimate objects and is quickly inactivated on living tissue; it is broken down by catalase into water and oxygen; AND it is even more effective when used in combination with peracetic acid.
Is it possible to be a "carrier" for Huntington's Disease (someone who will never develop the disorder but capable of passing the allele to ones offspring)?
a. Yes b. No
Cervical cancer
a. kills about 3,600 U.S. women each year. b. can affect young women. c. death occurs more often in women who have not had a pap smear. d. can be caused by genital HPV which has about 80% infectivity in sexually active women in the U.S. e. includes all of these.