What is true of the trait whose frequency distribution in a large population appears above? It has probably undergone
A) directional selection.
B) stabilizing selection.
C) disruptive selection.
D) sexual selection.
E) random selection.
Ans: B) stabilizing selection.
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Which of the following events do notoccur during spliceosome assembly on pre-mRNAs?
A. U1 snRNP binds to the 5' splice site. B. U2 snRNP binds to the branch point. C. U6 snRNP binds to the 3' splice site. D. U5 snRNP binds to the 5' splice site.
What do you know about hypotheses?How does it relate to the question?
What will be an ideal response?
Once milk has gone through the process of pasteurization it is considered sterile.
A) True B) False
A measure of the decrease in population size due to removal of individuals by disease, predat al causes
A) Skin cancer B) Carbon footprint C) Age structure D) Emigration E) Desertification F) Chlorofluorocarbon G) Ozone H) Carrying capacity I) Density-dependent J) Death rate