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Category > Biology Posted 13 May 2017 My Price 10.00

bacterial ion channel

Q13. Give two examples of a bacterial ion channel and the bacterium. (Can also use lecture notes on biosensors). (4 marks)

 

Q14.Draw two current versus time curves for (a) a charging capacitor and (b) a discharging capacitor. (4 marks)

 

Q15. A capacitor of 1000 µF is with a potential of 12 Volts across it, is discharged through a 500Ω resistor. Calculate the voltage across the capacitor after 1.5 seconds. (4 marks)

Q16. . In electrical experiments the cell membrane acts like an equivalent circuit. What features in a membrane do Cm, Rm and E in the circuit below represent? (3 marks)

Q16.png

Q17. A 4000 µF capacitor is charged through a 2.5kΩ resistor using a 15 V power supply. Calculate:

(a) The potential difference across the plates after 5 seconds. (5 marks)

(b) The time taken for the potential difference across the plates to reach 10V. (5 marks)

Q18. What are the electrical charge carriers in (a) computers and in                (b) biology? (2 marks)

Answers

SuperTutor
(15)
Status NEW Posted 13 May 2017 02:05 AM My Price 10.00

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file 1494644767-Solutions file.docx preview (51 words )
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