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Question 19M.1A.SL.TZ1.10

Date	May 2019	Marks available	[Maximum mark: 1]	Reference code	19M.1A.SL.TZ1.10
Level	SL	Paper	1A	Time zone	TZ1
Command term	Determine	Question number	10	Adapted from	N/A

10.

[Maximum mark: 1]

19M.1A.SL.TZ1.10

The gene that codes for a particular polypeptide includes the base sequence shown.

GAGTACCCT

What is the base sequence of the mRNA molecule which is complementary to this sequence?

A. GAGTACCCT

B. CTCATGGGA

C. GUGTUCCCT

D. CUCAUGGGA

[1]

Markscheme

D

Syllabus sections

D. Continuity and Change » D1.2. Protein synthesis » D1.2.5. Translation as the synthesis of polypeptides from mRNA

D. Continuity and Change » D1.2. Protein synthesis » D1.2.6. Roles of mRNA, ribosomes and tRNA in translation

D. Continuity and Change » D1.2. Protein synthesis » D1.2.7. Complementary base pairing between tRNA and mRNA