The adaptive immune response requires exposure to specific epitopes for activation.
Answer the following statement true (T) or false (F)
True
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An antigen must be at least ________ amino acids long to be effective in a vaccine
A) 10 B) 25 C) 50 D) 100
When reactants and products are being formed at an equal rate in a chemical reaction the reaction is
1.endergonic. 2.exergonic. 3.at equilibrium. 4.resting. 5.catabolic.
The umbilical cord functions to
a. carry waste products in the blood from the fetus to the mother. b. carry waste products in the blood from the mother to the fetus. c. carry oxygen in the blood from the mother to the fetus. d. do both a and c.
What is a misconception about the Canada lynx and snowshoe hare cycling?
A) Canada lynx are the only predators on snowshoe hares. B) Snowshoe hares impact resource abundance. C) Snowshoe hare populations vary over time. D) Rodents compete with snowshoe hares for grasses.