DP Biology (first assessment 2025)

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Question 23M.2.HL.TZ2.3c

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.HL.TZ2.3c
Level HL Paper 2 Time zone TZ2
Command term Predict Question number c Adapted from N/A
c.
[Maximum mark: 2]
23M.2.HL.TZ2.3c
(c)

The lung tumour in the light micrograph was slow-growing. Predict with a reason what would have been visible in the micrograph if the tumour was growing rapidly.

[2]

Markscheme

See

a. more mitosis
OR
cells in prophase/metaphase/anaphase/telophase;

Why

b. more dividing cells/tumour cell divide uncontrollably
OR
a higher mitotic index;

 

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