African sleeping sickness is caused by
A. Trypanosoma brucei gambiense.
B. Giardia lamblia.
C. Histoplasma capsulatum.
D. Trypanosoma brucei rhodesiense.
E. Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense both cause African sleeping sickness.
Answer: E
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Which one of the following pairs of people has the exact same genome?
A. father and son B. mother and daughter C. identical twins D. fraternal twins E. None of the pairs listed; every genome is unique.
Animals obtain minerals such as phosphorus
a. primarily dissolved in drinking water. b. by inhalation. c. by eating meat. d. by eating plants. e. by eating meat and by eating plants
What is the carrying capacity for the number of humans on the Earth?
1.1 billion
2.6 billion
3.10 billion
4.It cannot be predicted with any certainty.
Model organisms are useful because:
A) they share basic processes with most organisms B) they are particularly useful as research subjects C) they share many similarities with humans at the molecular level D) all of the choices are correct