Podcast
Questions and Answers
What is the common motif that is the signature for K+ selectivity?
What is the common motif that is the signature for K+ selectivity?
- Voltage-sensing region within S4
- S1-S6 domains
- Proliferation of roots into the soil volume
- P-loop (correct)
Which region contains the conserved voltage-sensing region within the potassium transporters?
Which region contains the conserved voltage-sensing region within the potassium transporters?
- S4 (correct)
- H5
- S5-S6
- P-domain
What drives the mass flow of the soil solution to the root, influencing potassium uptake?
What drives the mass flow of the soil solution to the root, influencing potassium uptake?
- Plant root potassium transporters
- Transpiration rate of the plant (correct)
- Release of nonexchangeable K+
- Proliferation of roots into the soil volume
Which domain contains the amphipathic P-domain (H5) in the potassium transporters?
Which domain contains the amphipathic P-domain (H5) in the potassium transporters?
What factor increases surface area and influences potassium acquisition?
What factor increases surface area and influences potassium acquisition?
What governs ion permeation and selectivity in plant root potassium transporters?
What governs ion permeation and selectivity in plant root potassium transporters?
Which domain in the potassium transporters contains the conserved voltage-sensing region?
Which domain in the potassium transporters contains the conserved voltage-sensing region?
What is the signature motif for K+ selectivity in plant root potassium transporters?
What is the signature motif for K+ selectivity in plant root potassium transporters?
Which factor influences the rate of potassium uptake across root plasma membrane?
Which factor influences the rate of potassium uptake across root plasma membrane?
What increases surface area and influences potassium acquisition in plants?
What increases surface area and influences potassium acquisition in plants?
