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  1. 5(a)(ii)Apple growers in Japan sometimes make a non-lethal spiral slash around the bark of trees destined for removal after the growing season. This practice makes the…[4 marks]
  2. 5(b)(i)Mammalian neurones in a resting state normally have a membrane potential of approximately -70 millivolts. If the plasma membrane is depolarized an action…[6 marks]
  3. 5(b)(ii)A common practice in dentistry is the use of local anesthetic injections of Lidocaine to numb a target area. Lidocaine is known to bind to receptor sites of…[3 marks]

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