Cells that die of injury usually swell and then burst. Their contents are released into the extracellular fluid. This form of cell death is referred to as
A. apoptosis.
B. necrosis.
C. toti-latency.
D. induction.
E. encoded death.
B. necrosis.
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A cell is infected with a virus carrying an oncogene sequence in its genome. What process may occur if the oncogene is expressed in the infected cell?
A) lysis B) neoplasia C) lysogeny D) latency E) both lysis and neoplasia
Answer the following statements true (T) or false (F)
1. Some chytrids parasitize protists. 2. Yeast contain genes that are similar to genes associated with human disease. 3. The first aquatic vertebrates arose at approximately the same time as the plants on land. 4. Gastrulation is brought about by an invagination of the wall of the blastocoel.
When the immune system is activated by a normally harmless antigen, this is called
a. an allergy. b. an innate response. c. a complement response. d. cytotoxic cell response.
Relative to closed circulatory systems, Open Circulatory Systems pump hemolymph at relatively high pressure.
Answer the following statement true (T) or false (F)