Plant seeds being introduced into a population by wind illustrates which of the following?
a. gene flow
b. bottleneck effect
c. natural selection
d. founder effect
a. gene flow
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Which one of the following applies to the phylum Ctenophora?
A. often bioluminescent marine animals B. protostome C. coelomate D. deuterostome E. Parazoa
As electrons flow through complexes in the inner mitochondrial membrane, protons are moved from the matrix to the inter membrane space. This can make the pH
A) the same in the matrix and the inner membrane space. B) lower in the matrix. C) lower in both the matrix and the inner mitochondrial space. D) lower in the inner membrane space.
Damage to the collar would prevent the sponge from
A. secreting spongin to form the sponge body. B. circulating water through the sponge. C. producing gametes for sexual reproduction. D. extracting organic matter from the water.
A cis-effect is a form of gene regulation that can occur between two DNA segments that are not physically adjacent.
Answer the following statement true (T) or false (F)