IB Questionbank

Date	May 2017	Marks available	1	Reference code	17M.1.SL.tz0.11
Level	Standard Level	Paper	Paper 1	Time zone	time zone 0
Command term	Which	Question number	11	Adapted from	N/A

Question

Which energy system is the quickest to re-synthesize ATP?

A. Anaerobic glycolysis

B. Aerobic glycolysis

C. Lactic acid

D. Creatine phosphate

Markscheme

Examiners report

Seventh most difficult question. Many incorrectly chose option B, meaning that they believed that aerobic glycolysis was quickest to re-synthesize ATP.

Syllabus sections

Topic 3: Energy systems » 3.3. Nutrition and energy systems » 3.3.6. Describe the re-synthesis of ATP by the ATP–CP system.

16M.1.SL.tz0.15:
Which of the following are features of the ATP-CP system?

I. It provides the energy for the first three minutes of activity.

II. CP is broken down to provide a phosphate molecule.

III. It creates lactic acid as a by-product.

A. I only

B. II only

C. I and II only

D. II and III only
18N.2.SL.tz0.6c: Outline the re-synthesis of ATP by the ATP–CP system.
21N.2.HL:.tz0.5:
Analyse how the dominant energy system contributes to adenosine triphosphate (ATP) production during an indoor 60 m sprint.
21N.1.SL.tz0.14:
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

Question

Markscheme

Examiners report

Syllabus sections

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