The step that follows helper T cell activation is:
What will be an ideal response?
clonal expansion
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Ultraviolet radiation is an effective means of sterilizing surfaces.
Answer the following statement true (T) or false (F)
Which of the following conditions increases the risk of heat stroke?
a. all of the choices b. old age c. pregnancy d. diabetes
The major disadvantage of using stem cells derived from human embryos was:
a. they did not differentiate. b. they were difficult to maintain in culture. c. they did not function in humans other than those that they were obtained from. d. they could not be frozen. e. they did not contain fully active telomerase.
According to the animation, what does oxygen get reduced to at the end of the electron transport chain?
a. ATP b. NADH c. Water d. Electrons e. Protons