| Date | May 2019 | Marks available | 1 | Reference code | 19M.1.SL.tz0.20 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 20 | Adapted from | N/A |
Question
What is the sequence of a motor unit signal travelling from the brain to the muscle?
A. Synapse, axon, cell body, dendrite, motor end plate
B. Synapse, dendrite, cell body, axon, motor end plate
C. Motor end plate, dendrite, cell body, axon, synapse
D. Synapse, dendrite, axon, cell body, motor end plate
Markscheme
B
Examiners report
Mid-difficulty question. An area for candidates to develop in the future.
