Zadanie 5b
Explain the difference in peak timing between the first and later exposures.
Long-lived memory and immunity
Explain how retained antigen-specific lymphocytes enable an effective response on later exposure to a pathogen.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Zadania sprawdzające tę umiejętność: 5 Otwórz w wyszukiwarce z filtrami
Zadanie 8
Specific molecular interactions occur in several biological systems. (a) Explain how a vaccine can produce specific immunity against a viral infection. (b) Outline how membrane proteins control movement of particular ions at different stages of a nerve…
Zadanie 8
(a) Draw and fully label a bacterial cell. (b) Describe barriers that prevent pathogenic bacteria entering the body. (c) Explain how immunity to pathogenic bacteria develops.
Zadanie 6
Cell specialization depends on coordinated cellular processes. (a) Outline processes occurring during interphase. (b) Describe how an action potential propagates along an axon. (c) Explain how cells in blood produce a specific immune response.
Zadanie 23
In a model vaccination study, protection decreases gradually over many years without further exposure. Which change in the adaptive immune system could explain a need for a booster? A. All lymphocytes become neurons B. The vaccine stimulates only a nonspecific…