Zadanie 4a
Draw an arrow on the model to show the direction in which the signal is transmitted.
- Materiał graficzny
Directional communication at chemical synapses
Identify junctions between neurons or effectors and explain why signals usually cross them in one direction.
Tę umiejętność sprawdza 9 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Zadania sprawdzające tę umiejętność: 9 Otwórz w wyszukiwarce z filtrami
Zadanie 4b
Identify the type of molecule marked Z.
- Materiał graficzny
Zadanie 5a
Deduce the type of substance in the vesicles.
- Materiał graficzny
Zadanie 5b
Distinguish the presynaptic and postsynaptic membranes with two differences.
- Materiał graficzny
Zadanie 5c
Suggest an advantage of the narrow cleft.
- Materiał graficzny
Zadanie 4b
In a hypothetical degenerative condition, abnormal proteins accumulate inside neurons and around their terminals. Predict one effect on neuron function.
- Materiał graficzny
Zadanie 4a
The conceptual diagrams model changes in a developing neural network. (i) State two major changes visible between early development and later childhood. (ii) Outline the main change visible between later childhood and adolescence.
- Materiał graficzny
Zadanie 4
Specialized nerve cells develop during formation of the nervous system. Describe the formation of neurons.
Zadanie 5a
Explain how an impulse in one neuron can cause a response in another neuron at a chemical synapse.