Elastin is found only in insects and some crustaceans and is the most elastic material known
Indicate whether the statement is true or false.
ANS: F, Resilin
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Pepsin is a digestive enzyme that _____
A) is manufactured by the pancreas B) helps stabilize fat-water emulsions C) splits maltose into monosaccharides D) begins the hydrolysis of proteins in the stomach E) is denatured and rendered inactive in solutions with low pH
A cotyledon is indicated by
a. A. b. B. c. C. d. D. e. E.
This chapter discussed speciation by genetic divergence following geographic isolation, which is expected to lead to reduced gene flow, a process known as allopatric speciation
A more controversial form of speciation is the genetic divergence of populations without physical isolation, a process known as sympatric speciation. Can you envision a mechanism or process that would permit two coexisting populations of the same species to begin to diverge without being isolated from one another?
Egg whites consist primarily of water and the protein albumin. When you fry an egg, why does the egg white turn from clear to white?
A. The protein acquires tertiary structure. B. The protein becomes dissociated. C. The protein becomes denatured. D. The protein becomes dehydrated.