DP Biology (last assessment 2024)

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Question 19N.3.HL.TZ0.a

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.3.HL.TZ0.a
Level HL Paper 3 Time zone TZ0
Command term Define Question number a Adapted from N/A
a.
[Maximum mark: 1]
19N.3.HL.TZ0.a

Prior to the 1840s, doctors and dentists did not routinely use anesthesia when operating on patients. However, advances in the knowledge of neurotransmitters have assisted the use of anesthesia.

Define neurotransmitter.

[1]

Markscheme

chemical substance that transmits message across synapses/from one cell to another ✔

OWTTE
Do not accept "connection" instead of "synapse".

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