Eugenics ____
a. has been scientifically tested and shown to be a valid theory
b. is a dubious method for improving the human species through selective breeding
c. assumes that human traits are much more influenced by environment than by genes
d. had major social ramifications in Germany but is largely dismissed in the United States
e. was based on faulty karyotyping and DNA analysis
b
You might also like to view...
Most nutrients are absorbed across the epithelium of the
A. colon. B. stomach. C. esophagus. D. small intestine. E. large intestine.
Mature bone cells in lacunae that no longer divide. Maintain bone matrix and act as stress or strain sensors. Respond to mechanical stimuli such as increased force on bone or weightlessness. Communicate information to osteoblasts and osteoclasts (cells that destroy bone) so bone remodeling can occur.
What will be an ideal response?
A screen door allows breezes to enter and aromas to exit but keeps out insects. Its function most resembles
a. the cytosol. b. the plasma membrane. c. the ER lumen. d. a ribosome.
In the disease elephantiasis, lymph vessels become blocked as a result of infection with parasitic worms. Which of the following processes would be impacted by this disease?
A. the return of excess interstitial fluid to the
bloodstream
B. the diffusion of water and small molecules
across the wall of the capillary
C. the flow of water back into the capillaries
by osmosis
D. the generation of pressure to filter
materials through the capillary walls
E. the exchange of oxygen and other
materials between the blood and body cells