The central nervous system is lacking in animals that have _____
A) a complete gut
B) bilateral symmetry
C) radial symmetry
D) a closed circulatory system
E) excitable membranes
Answer: C
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Which of the following cause rat-bite fever, or Haverhill fever, which is characterized by acute onset of chills, fever, headache, vomiting, and severe joint pains, as well as a rash on the palms, soles of the feet, and other extremities?
a. Streptobacillus moniliformis b. Brucella abortus c. Bordetella spp. d. Pasteurella spp.
Approximately ____% of a person’s 3 billion nucleotides are unique to that individual
a. 1 b. 5 c. 10 d. 25 e. 50
During capacitation, sperm become mature
____________________ Indicate whether the statement is true or false.
Oxidation involves the ________ , and reduction involves the
A) loss of electrons; gain of electrons B) loss of oxygen; gain of oxygen C) gain of electrons; loss of electrons D) gain of oxygen; loss of oxygen