Species in this Lophotrochozoan phylum have a body divided into three regions: visceral mass, headfoot,
and mantle.
a. Rotifera
b. Mollusca
c. Platyhelminthes
d. Annelida
e. Nemertea
B
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As the demonstrated by Japan, the resource base of a country determines how well it can do in the world economy
Indicate whether this statement is true or false
Preservation of fermented meat products is accomplished by
A. the lower water activity. B. pasteurization. C. the lower pH. D. the lower pH and lower water activity. E. All of these choices are correct.
A virus infects a host cell and takes over the host’s
mechanisms of replication and __________ synthesis. Fill in the blank(s) with the appropriate word(s).
Which of the following statements is not true concerning peptidyl transferase?
A) It is a ribozyme having catalytic activity. B) It catalyzes peptide bond formation. C) It moves the ribosome, so translation continues. D) It is associated with the large subunit of ribosomes. E) It requires no outside source of additional energy, such as ATP.