The original A population was established by a dispersal event to its island by a mainland population of the species. Now two new species have evolved on the island, A1 and A2
Which represents the phylogeny of the populations discussed in the scenario above?
What will be an ideal response?
c
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Large zooplankton decrease the ecosystem's main productivity when they are abundant
Indicate whether the statement is true or false.
Which of the following statements concerning saliva is FALSE?
a. Saliva moistens food. b. Saliva is secreted by three pairs of salivary glands. c. Saliva dissolves food so it can be tasted. d. Saliva starts the enzymatic digestion of lipids. e. Saliva starts the enzymatic digestion of starch.
Which of the following will bind to the active site of an enzyme?
A) Competitive inhibitor only B) Noncompetitive inhibitor only C) Allosteric inhibitor only D) Substrate only E) Both substrate and competitive inhibitor
Cystic fibrosis (CF) is a disease caused by a recessive allele, and the disease appears only in the homozygous recessive genotype. Two parents do not have cystic fibrosis, but they produce a child with this disorder. Fully explain what has occurred,
using the appropriate terminology and diagram (you must provide this diagram). What will be an ideal response?