Most fossils form in sedimentary rocks

a. True
b. False


ANSWER: True

Biology & Microbiology

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A 6-year-old boy was diagnosed with purulent conjunctivitis caused by a species of Haemophilus. What would the biochemical profile of the organism be?

a. Growth requirements require both X and V factors; the organism is hemolytic on rabbit blood. b. Growth requirements require both X and V factors; the organism is nonhemolytic on rabbit blood. c. Growth requirements require V factor; the organism is hemolytic on rabbit blood. d. Growth requirements require X factor; the organism is nonhemolytic on rabbit blood.

Biology & Microbiology

Which of the following is not a level of organization in the vertebrate body?

A. Bones B. Organ systems C. Tissues D. Cells E. Organs

Biology & Microbiology

The process occurring at point 3 in Figure 29-2 is:


a. asexual reproduction.
b. fertilization.
c. meiosis.
d. mitosis.
e. zygote germination.

Biology & Microbiology

Which molecule acts as a retrograde messenger at many synapses?

a. GABA b. glycine c. serotonin d. substance P

e. nitric oxide

Biology & Microbiology