To nucleate the assembly of branched actin filaments, Arp2/3 needs to be activated by___

a) Formins protein

b) nucleation promoting factor (NPF)

c) actin-nucleating proteins (ANP) 

d) Act A protein

#Question id: 3290

#Unit 11. Evolution and Behavior

Dog breeders maintain the purity of breeds by keeping dogs of different breeds apart when they are fertile. This kind of isolation is most similar to which of the following reproductive isolating mechanisms?

#Question id: 3291

#Unit 11. Evolution and Behavior

Which of the following is the most predictable outcome of increased gene flow between two populations?

#Question id: 3292

#Unit 11. Evolution and Behavior

Which of the following is correct observation?

#Question id: 3293

#Unit 11. Evolution and Behavior

In a Hardy-Weinberg population of butterflies find that 32% are heterozygous at a particular locus. What should be the frequency of the homozygous individuals in this population?

#Question id: 3294

#Unit 11. Evolution and Behavior

Which one of these processes describes bottleneck effect?

#Question id: 3295

#Unit 11. Evolution and Behavior

Males of different species of the fruit fly Drosophila that live in the same parts of the Hawaiian Islands have different elaborate courtship rituals. These rituals involve fighting other males and making stylized movements that attract females. What type of reproductive isolation does this represent?