Cells infected with animal viruses lyse because
A. the release of the virions depletes the cell of energy.
B. the virus releases enzymes that lyse the cell.
C. functions necessary for cell survival are not carried out and the cell dies.
D. the virus RNA and cellular protein interact to kill the cell.
C
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Bulk endocytosis is also called pinocytosis
Indicate whether the statement is true or false.
When plants are produced by cloning, which process is most directly involved?
a. mitotic cell division b. binary fission c. meiotic cell division d. gamete production e. budding
Corals in a tropical reef provide protection from ocean waves and currents to the other species that live there and have the greatest influence on the reef community. The corals are a(n) ______ species.
a. invasive b. foundation c. pioneer d. keystone
Radiometric dating shows that Archaeopteryx lived
__________ million years ago. a. 50 b. 150 c. 250 d. 350 e. 450