True or False: In at least one group of bony fish (Osteichthyes) a structure known as a swim bladder was modified to become a primitive lung
A. true
B. false
A
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Based on the life cycle of Schistosoma species, which of the following would be MOST effective in controlling schistosomiasis?
A) elimination of stagnate water B) bed nets C) proper sewage and water treatment D) frequent sanitization of shared toilets, showers, and saunas
When a protein denatures, what happens to it?
a. it becomes a functional protein b. it combines with sugars to become a signaling protein c. it changes its shape and to assume another function d. it unwinds and loses its three dimensional shape e. it is transported out of the cell
Fairy rings are produced by basidiomycetes
Indicate whether the statement is true or false
In the human genetic disease sickle cell anemia, a single change in the genetic sequence of the hemoglobin-beta gene results in the amino acid valine being substituted for the amino acid glutamic acid in the beta chain of the hemoglobin protein. Which
level(s) of the protein structure will be affected? A) primary structure B) secondary structure C) tertiary structure D) quaternary structure E) primary, secondary, tertiary, and quaternary structures