| Date | November 2021 | Marks available | 1 | Reference code | 21N.1.SL.tz0.14 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 14 | Adapted from | N/A |
Question
Which donates a phosphate group to adenosine diphosphate (ADP) during the initial stages of intense exercise to regenerate adenosine triphosphate (ATP)?
A. Glycogen
B. Glucose-6-phosphate
C. Amino acid
D. Creatine phosphate
Markscheme
D
Examiners report
These are good solid standard questions from the course which most candidates handled easily. Careful reading of question 14 would have helped candidates to spot that it was focused on the initial stages of exercise, which should have drawn them to option C as the answer.
