Which of the following is true regarding hemoglobin?
A. It is a lipid.
B. It contains iron.
C. It transports oxygen in the blood.
D. It is present in all vertebrates and invertebrates.
E. It is identical to hemocyanin.
Answer: B
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What type of sensory receptor is responsible for olfaction?
A. photoreceptor B. electroreceptor C. chemoreceptor D. nociceptor
Based on the principle of species individuality, how would you predict that climate change would affect the geographical range of species within a community?
A. Each species would shift its range in a unique manner, according to its physiological needs. B. All species in the community would migrate together as a "superorganism", because all species are connected. C. Assemblages of species would migrate together in predictable groups. D. Only the competitively dominant species would shift their ranges; less competitive species cannot adapt to climate changes.
Territorial behavior includes some form of advertisement, threat, and combat
Indicate whether the statement is true or false
Reactivation of ________ in immunosuppressed persons may produce Kaposi's sarcoma, a cancer of the blood vessels
A) EBV B) HHV-6 C) cytomegalovirus D) HHV-8 E) BK virus