Upon antigenic stimulation, CD8+ T cells differentiate into helper T cells
Indicate whether the statement is true or false.
ANS: F, cytotoxic T cells
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When a cell contains enough water that the plasma membrane presses tightly against the cell wall, it is said to be ____
a. palsmolytic b. tight c. wilted d. full e. turgid
Analysis of the nutrient content of phloem is performed on phloem sap that is made available when an aphid is cut away from its stylet.
Answer the following statement true (T) or false (F)
The end product of glucose metabolism by glycolysis under anaerobic conditions in an animal cell, such as a muscle cell is ____.
a) acetyl - CoA b) carbon dioxide c) pyruvate d) lactate
Vaccine that consist of inactivated organisms are:
A. Good at inducing mucosal immunity B. Less stable than live vaccines C. Incapable of reverting to virulence D. More immunogenic than live vaccines