Zadanie 5a
State which labelled molecule is the ligand.
- Materiał graficzny
Ligand recognition by receptor proteins
Explain how a signalling molecule binds selectively to a receptor through a complementary binding site.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2023–2025.
Zadania sprawdzające tę umiejętność: 6 Otwórz w wyszukiwarce z filtrami
Zadanie 9
Molecular binding underlies both communication and metabolic regulation. (a) Describe complementary molecules in cell-signalling systems, with examples. (b) Explain causes and consequences of changes to enzyme active sites. (c) Outline how reversible changes…
Zadanie 8
Chemical messengers mediate communication at synapses. Discuss how drugs can alter messenger release and reception at synapses.
Zadanie 5b
Describe how these cells can detect different odorants.
- Materiał graficzny
Zadanie 6
The schematic shows part of a chemical synapse. Label (i) one neurotransmitter receptor and (ii) the presynaptic membrane.
- Materiał graficzny
Zadanie 6
The schematic shows part of a chemical synapse. Label (i) one neurotransmitter receptor and (ii) the presynaptic membrane.
- Materiał graficzny