The founder effect differs from a population bottleneck in that the founder effect ________.
A. is a type of natural selection
B. can occur only on an oceanic island colony
C. involves the isolation of a small colony of individuals from a larger population
D. requires a small population
C. involves the isolation of a small colony of individuals from a larger population
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Which area(s) of the molecule shown above is/are variable, and what is the consequence?
A. area A, each individual antibody binds many different antigens B. area A, each individual antibody binds a unique antigen C. area B, each individual antibody binds many different antigens D. area B, each individual antibody binds a unique antigen E. Both area A and area B are variable, allowing the body to produce many different antigens using a relatively small genome.
The use of plants to clean up environmental contaminants is called ____
a. photosynthesis b. phototropism c. translocation d. phytoremediation e. transpiration
Luke went to a pediatrician when he was 6 months old. The pediatrician consulted a graph and concluded that Luke was in the 97th percentile for height, weight and length. The pediatrician predicted that Luke would be tall when he reached adulthood.What type of logic is being used when the pediatrician uses the graph to make conclusions about Luke's progress?
A. Applied theory B. Reductionism C. Inductive reasoning D. Deductive reasoning
What tool or technique used by Ivanowski and Beijerinck while studying diseased tobacco plants enabled them to determine that the disease was caused by an agent significantly smaller than bacteria?
A. transmission electron microscopy that allowed them to view the tobacco mosaic virus B. porcelain filters that trapped bacteria but allowed passage of the virus C. cell culture that enabled cultivation of the virus D. scanning electron microscopy that enabled them to view the virus the tobacco mosaic virus