Date | November 2013 | Marks available | 1 | Reference code | 13N.1.HL.TZ0.39 |
Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
Command term | Question number | 39 | Adapted from | N/A |
Question
What is the correct order of events in fertilization?
A. fusion of gametes, acrosome reaction and then cortical reaction
B. cortical reaction, fusion of gametes and then acrosome reaction
C. acrosome reaction, fusion of gametes and then cortical reaction
D. fusion of gametes, cortical reaction and then acrosome reaction
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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