A change in the genetic composition of an individual in a population is known as
A. emigration.
B. mutation.
C. natural selection.
D. biological evolution.
E. genetic drift.
Answer: B
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A molecule of hemoglobin is capable of binding how many molecules of CO2?
A) 1 B) 2 C) 3 D) 4
When a developing world country carries "private debt," to whom is that money owed?
A) its own citizens B) transnational corporations who are not directly involved in banking C) private banks D) foreign governments E) No money is actually owed, as no one expects the loans to ever be repaid.
Which of the following, not found in cholesterol, is present in bile salts?
A) a hydroxyl group at C-3 B) a double bond between carbon-4 and carbon-5 C) an amide linkage D) none of the above
The present topography of the Appalachian mountains is due to ____
a. Cenozoic orogenies b. Mesozoic volcanism c. Cenozoic uplift and erosion d. Cenozoic volcanism e. glacial retreat