. If the number of people who become ill during an epidemic rises gradually, this is called a(n)
A. propagated epidemic.
B. promulgated epidemic.
C. common source epidemic.
D. index epidemic.
A
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Found mostly in marine environments, members of the ____ Lophotrochozoan phylum have a muscular, mucuscovered
proboscis that they can turn inside out to capture prey.
a. Rotifera b. Mollusca c. Platyhelminthes d. Annelida e. Nemertea
What is the advantage of excreting nitrogenous waste in the form of ammonia?
A) Ammonia is less toxic than uric acid. B) Ammonia is less soluble than uric acid. C) Ammonia excretion conserves energy. D) Ammonia does not diffuse across cell membranes.
The form of cell division in which a cell divides once and produces two genetically identical daughter cells is known as
What will be an ideal response?
Which level of protein structure ultimately determines all the other levels of structure?
A. primary B. secondary C. tertiary D. quaternary