What is the MOST appropriate unit of measurement for MOST types of cells?
A) picometers
B) centimeters
C) micrometers
D) nanometers
E) angstroms
Ans: C) micrometers
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Based on these data, do scorpions seem well adapted to chasing down their prey over long distances?
a. Yes b. No
Based on the function it performs, which portion of the brain is considered the most ancient from an evolutionary perspective?
1.hindbrain
2.midbrain
3.forebrain
4.none of the choices (all are similar)
A man has a mutation in a mitochondrial gene encoding a subunit of the ATP synthase complex. The mutation leads to a defective ATP synthase that is not able to synthesize ATP effectively, and this in turn leads to extreme muscle weakness in the affected individual. If this man has children, what is the likelihood that they will inherit this disease from him?
A. 75% B. 100% C. 0% D. 50% E. 25%
A key contribution to Darwin's thinking was the concept of limits put on the geometric growth of populations by nature, originally proposed by:
A. Charles Lyell. B. Karl Popper. C. Russel Wallace. D. Thomas Malthus. E. Peter Raven.