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Question 19N.3.SL.TZ0.6b

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.3.SL.TZ0.6b
Level SL Paper 3 Time zone TZ0
Command term Identify Question number b Adapted from N/A
b.
[Maximum mark: 1]
19N.3.SL.TZ0.6b

The diagram shows part of a human retina.

[Source: reprinted by permission from Springer Nature: Nature Reviews Neuroscience Parallel processing in
the mammalian retina, Heinz Wässle, 2004, Nat Rev Neurosci 5, 747–757 (2004) doi:10.1038/nrn1497]

(b)

Identify the cells labelled A and B.

A:

B:

[1]

Markscheme

A: bipolar cell
B: ganglion cell ✔

Both required

Syllabus sections